in how many ways we can write 8400 as a product of two positive integers a , b such that a , b are not coprime?​

in how many ways we can write 8400 as a product of two positive integers a , b such that a , b are not coprime?​

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  1. Step-by-step explanation:

    8,400 (eight thousand four hundred) is an even four-digits composite number following 8399 and preceding 8401. In scientific notation, it is written as 8.4 × 103. The sum of its digits is 12. It has a total of 8 prime factors and 60 positive divisors. There are 1,920 positive integers (up to 8400) that are relatively prime to 8400.

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