Difference between revisions of "2013 AMC 10B Problems/Problem 24"
(Created page with "==Problem== A positive integer <math>n</math> is ''nice'' if there is a positive integer <math>m</math> with exactly four positive divisors (including <math>1</math> and <math>m...") |
(No difference)
|
Revision as of 17:00, 21 February 2013
Problem
A positive integer is nice if there is a positive integer with exactly four positive divisors (including and ) such that the sum of the four divisors is equal to . How many numbers in the set are nice?