Q: What is the sum of all factors of the number 811,380 excluding 811,380?

Why is 1,460,652 the sum of all factors of 811,380, excluding 811,380?

The factors of the number 811,380 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 13523, 27046, 40569, 54092, 67615, 81138, 135230, 162276, 202845, 270460, 405690, 811380.

If you add them up, you will get the total of 811,381. Now subtract 811,380 to get 1,460,652

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