Q: What is the sum of all factors of the number 128,724 excluding 128,724?

 A: 189,804

Why is 189,804 the sum of all factors of 128,724, excluding 128,724?

The factors of the number 128,724 are: 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 631, 1262, 1893, 2524, 3786, 7572, 10727, 21454, 32181, 42908, 64362, 128724.

If you add them up, you will get the total of 128,913. Now subtract 128,724 to get 189,804


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