Q: What is the sum of all factors of the number 203,520 excluding 203,520?

A: 458,736

Why is 458,736 the sum of all factors of 203,520, excluding 203,520?

The factors of the number 203,520 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 424, 480, 530, 636, 640, 768, 795, 848, 960, 1060, 1272, 1280, 1590, 1696, 1920, 2120, 2544, 3180, 3392, 3840, 4240, 5088, 6360, 6784, 8480, 10176, 12720, 13568, 16960, 20352, 25440, 33920, 40704, 50880, 67840, 101760, 203520.

If you add them up, you will get the total of 203,978. Now subtract 203,520 to get 458,736