Q: What is the sum of all factors of the number 1,392,690 excluding 1,392,690?

Why is 2,207,886 the sum of all factors of 1,392,690, excluding 1,392,690?

The factors of the number 1,392,690 are: 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 3571, 7142, 10713, 17855, 21426, 35710, 46423, 53565, 92846, 107130, 139269, 232115, 278538, 464230, 696345, 1392690.

If you add them up, you will get the total of 1,392,692. Now subtract 1,392,690 to get 2,207,886

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