Description: About the number of the positive integer x is a positive integer divisible by x. The approximate number of positive integer x is denoted by div (x). For example, 1,2,5,10 are positive integers 10 approximately, and div (10) = 4. Let a and b are two positive integers, a ≤ b, find the a and b between the approximate number up to the number of x. 2 For a given positive integer a ≤ b, calculated between a and b Number number up to the number.
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1290.cpp
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