Q: What is the sum of all factors of the number 688,230 excluding 688,230?

Why is 1,147,770 the sum of all factors of 688,230, excluding 688,230?

The factors of the number 688,230 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 2549, 5098, 7647, 12745, 15294, 22941, 25490, 38235, 45882, 68823, 76470, 114705, 137646, 229410, 344115, 688230.

If you add them up, you will get the total of 688,231. Now subtract 688,230 to get 1,147,770

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