Q: What is the sum of all factors of the number 500,720 excluding 500,720?

A: 771,520

Why is 771,520 the sum of all factors of 500,720, excluding 500,720?

The factors of the number 500,720 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 569, 880, 1138, 2276, 2845, 4552, 5690, 6259, 9104, 11380, 12518, 22760, 25036, 31295, 45520, 50072, 62590, 100144, 125180, 250360, 500720.

If you add them up, you will get the total of 501,491. Now subtract 500,720 to get 771,520