Solutions: OC376–OC385

[摘要] Let m be a positive integer and a and b be distinct positive integersstrictly greater than m2 and strictly less than m2 + m. Find all integers d suchthat m2 < d < m2 + m and d divides ab.Originally Problem 4 of Day 2 of the 2016 Spain Mathematical Olympiad.We received 4 correct submissions. We present the solution by Oliver Geupel.

[学科分类] 数学（综合）