Q: What is the sum of all factors of the number 257,130 excluding 257,130?

 A: 411,642

Why is 411,642 the sum of all factors of 257,130, excluding 257,130?

The factors of the number 257,130 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2857, 5714, 8571, 14285, 17142, 25713, 28570, 42855, 51426, 85710, 128565, 257130.

If you add them up, you will get the total of 257,541. Now subtract 257,130 to get 411,642


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