Q: What is the sum of all factors of the number 77,742 excluding 77,742?

 A: 115,074

Why is 115,074 the sum of all factors of 77,742, excluding 77,742?

The factors of the number 77,742 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 617, 1234, 1851, 3702, 4319, 5553, 8638, 11106, 12957, 25914, 38871, 77742.

If you add them up, you will get the total of 77,857. Now subtract 77,742 to get 115,074


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