Q: What is the sum of all factors of the number 400,624,220 excluding 400,624,220?

 A: 441,124,324

Why is 441,124,324 the sum of all factors of 400,624,220, excluding 400,624,220?

The factors of the number 400,624,220 are: 1, 2, 4, 5, 10, 20, 2543, 5086, 7877, 10172, 12715, 15754, 25430, 31508, 39385, 50860, 78770, 157540, 20031211, 40062422, 80124844, 100156055, 200312110, 400624220.

If you add them up, you will get the total of 400,624,661. Now subtract 400,624,220 to get 441,124,324


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