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Saint Petersburg Mathematical Olympiad
2000 Saint Petersburg Mathematical Olympiad
10.4
10.4
Part of
2000 Saint Petersburg Mathematical Olympiad
Problems
(1)
Prove that a number has at least 19901 divisors
Source: St. Petersburg MO 2000, 10th grade, P4
4/22/2023
The number
N
N
N
is the product of
200
200
200
distinct positive integers. Prove that it has at least 19901 distinct divisors (including 0 and itself). [I]Proposed by A. Golovanov
number theory
Existence