Q: What is the sum of all factors of the number 77,790,620 excluding 77,790,620?

 A: 85,886,404

Why is 85,886,404 the sum of all factors of 77,790,620, excluding 77,790,620?

The factors of the number 77,790,620 are: 1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 6983, 11140, 13966, 27932, 34915, 69830, 139660, 3889531, 7779062, 15558124, 19447655, 38895310, 77790620.

If you add them up, you will get the total of 77,790,705. Now subtract 77,790,620 to get 85,886,404


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