Q: What is the sum of all factors of the number 261,378,660 excluding 261,378,660?

Why is 470,481,756 the sum of all factors of 261,378,660, excluding 261,378,660?

The factors of the number 261,378,660 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4356311, 8712622, 13068933, 17425244, 21781555, 26137866, 43563110, 52275732, 65344665, 87126220, 130689330, 261378660.

If you add them up, you will get the total of 261,379,130. Now subtract 261,378,660 to get 470,481,756

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