Q: What is the sum of all factors of the number 657,390 excluding 657,390?

Why is 1,014,450 the sum of all factors of 657,390, excluding 657,390?

The factors of the number 657,390 are: 1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 1289, 2578, 3867, 6445, 7734, 12890, 19335, 21913, 38670, 43826, 65739, 109565, 131478, 219130, 328695, 657390.

If you add them up, you will get the total of 657,391. Now subtract 657,390 to get 1,014,450

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