AtCoder Regular Contest 160
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Problem Statement
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You are given a positive integer $N$.
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Find the number, modulo $998244353$, of triples of positive integers $(x,y,z)$ that satisfy the following condition.
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- All of
$xy$,$yz$,$zx$are less than or equal to$N$.
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You have $T$ test cases to solve.
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Constraints
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$1 \le T \le 100$$1 \le N \le 10^9$
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Input
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The input is given from Standard Input in the following format, where $\mathrm{case}_i$ represents the $i$-th test case:
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T
\mathrm{case}_1
\mathrm{case}_2
\vdots
\mathrm{case}_T
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Each test case is in the following format:
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N
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Output
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Print $T$ lines. The $i$-th line $(1 \le i \le T)$ should contain the answer for the $i$-th test case.
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样例
Input #1
4
1
2
5
998244353
Output #1
1
4
17
727512986
In the first test case, $N=1$. There is one triple $(x,y,z)$ that satisfies the condition: $(1,1,1)$.
In the second test case, $N=2$. There are four triples $(x,y,z)$ that satisfy the condition: $(1,1,1),(2,1,1),(1,2,1),(1,1,2)$.
题目信息
题面与样例版权归 AtCoder 及出题人所有;中文翻译由 AI 生成(CI 管线),如有出入请以原文为准。