Q: What is the sum of all factors of the number 280,122,870 excluding 280,122,870?

Why is 392,172,090 the sum of all factors of 280,122,870, excluding 280,122,870?

The factors of the number 280,122,870 are: 1, 2, 3, 5, 6, 10, 15, 30, 9337429, 18674858, 28012287, 46687145, 56024574, 93374290, 140061435, 280122870.

If you add them up, you will get the total of 280,123,262. Now subtract 280,122,870 to get 392,172,090

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