Q: What is the sum of all factors of the number 399,648 excluding 399,648?

A: 701,088

Why is 701,088 the sum of all factors of 399,648, excluding 399,648?

The factors of the number 399,648 are: 1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 181, 184, 276, 362, 368, 543, 552, 724, 736, 1086, 1104, 1448, 2172, 2208, 2896, 4163, 4344, 5792, 8326, 8688, 12489, 16652, 17376, 24978, 33304, 49956, 66608, 99912, 133216, 199824, 399648.

If you add them up, you will get the total of 400,349. Now subtract 399,648 to get 701,088