Q: What is the sum of all factors of the number 621,760 excluding 621,760?

A: 932,720

Why is 932,720 the sum of all factors of 621,760, excluding 621,760?

The factors of the number 621,760 are: 1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 67, 80, 116, 134, 145, 160, 232, 268, 290, 320, 335, 464, 536, 580, 670, 928, 1072, 1160, 1340, 1856, 1943, 2144, 2320, 2680, 3886, 4288, 4640, 5360, 7772, 9280, 9715, 10720, 15544, 19430, 21440, 31088, 38860, 62176, 77720, 124352, 155440, 310880, 621760.

If you add them up, you will get the total of 622,692. Now subtract 621,760 to get 932,720