Q: What is the sum of all factors of the number 245,474,780 excluding 245,474,780?

Why is 270,387,028 the sum of all factors of 245,474,780, excluding 245,474,780?

The factors of the number 245,474,780 are: 1, 2, 4, 5, 10, 20, 1777, 3554, 6907, 7108, 8885, 13814, 17770, 27628, 34535, 35540, 69070, 138140, 12273739, 24547478, 49094956, 61368695, 122737390, 245474780.

If you add them up, you will get the total of 245,475,050. Now subtract 245,474,780 to get 270,387,028

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