Q: What is the sum of all factors of the number 786,390 excluding 786,390?

Why is 1,273,386 the sum of all factors of 786,390, excluding 786,390?

The factors of the number 786,390 are: 1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 2383, 4766, 7149, 11915, 14298, 23830, 26213, 35745, 52426, 71490, 78639, 131065, 157278, 262130, 393195, 786390.

If you add them up, you will get the total of 786,391. Now subtract 786,390 to get 1,273,386

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