Q: What is the sum of all factors of the number 172,820 excluding 172,820?

 A: 190,144

Why is 190,144 the sum of all factors of 172,820, excluding 172,820?

The factors of the number 172,820 are: 1, 2, 4, 5, 10, 20, 8641, 17282, 34564, 43205, 86410, 172820.

If you add them up, you will get the total of 173,010. Now subtract 172,820 to get 190,144


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