Hello everybody

The coach mode button has been removed from my profile a few months ago,

FYI I didn't participate in any rated contest for 15 months.

Can you tell me if there are new rules about the coach mode, with resources if possible ?

Thanks

Hello!

What is the fastest way to calc the number of divisors of n! , s.t 1 <= n <= 1e8.

Number of test cases <= 5000 .

I've stucked at this point while solving this problem EasyFact