Q: What is the sum of all factors of the number 727,770 excluding 727,770?

Why is 1,122,918 the sum of all factors of 727,770, excluding 727,770?

The factors of the number 727,770 are: 1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 1427, 2854, 4281, 7135, 8562, 14270, 21405, 24259, 42810, 48518, 72777, 121295, 145554, 242590, 363885, 727770.

If you add them up, you will get the total of 727,771. Now subtract 727,770 to get 1,122,918

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