Q: What is the sum of all factors of the number 256,896 excluding 256,896?

A: 485,664

Why is 485,664 the sum of all factors of 256,896, excluding 256,896?

The factors of the number 256,896 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 223, 288, 384, 446, 576, 669, 892, 1152, 1338, 1784, 2007, 2676, 3568, 4014, 5352, 7136, 8028, 10704, 14272, 16056, 21408, 28544, 32112, 42816, 64224, 85632, 128448, 256896.

If you add them up, you will get the total of 257,381. Now subtract 256,896 to get 485,664