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Results tagged with arithmetic-progression
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user 42944
An arithmetic progression is a (possibly infinite) sequence of numbers such that the difference between consecutive terms is always the same value.
7
votes
2
answers
2k
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Sum of divisor function over arithmetic progression
I am trying to find an estimate for the following sum:
$$
\sum_{\substack{n \leq x \\ n \equiv k (m)}} d(n),
$$
where $d(n)$ is number of divisors of $n$. I found estimates for the case when $k$ and …
- 173