←back to thread

Project Euler #912: Where are the Odds?

(projecteuler.net)
165 points fzliu | 4 comments | 14 Oct 24 20:27 UTC | HN request time: 0.609s | source
1. londons_explore ◴[14 Oct 24 22:01 UTC] No.41842501[source]▶
Project Euler 241 I have never really understood...
replies(2): >>41843049 #>>41843186 #
2. ◴[14 Oct 24 22:52 UTC] No.41843049[source]▶
3. andy81 ◴[14 Oct 24 23:12 UTC] No.41843186[source]▶
Check if the sum of number's divisors divided by the number itself gives x.5
replies(1): >>41847095 #
4. londons_explore ◴[15 Oct 24 10:33 UTC] No.41847095[source]▶
Oh - I understand the question. I just don't understand how to calculate the answer up to 10^18 in a reasonable amount of time!