Q: What is the sum of all factors of the number 249,210 excluding 249,210?

A: 476,550

Why is 476,550 the sum of all factors of 249,210, excluding 249,210?

The factors of the number 249,210 are: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 71, 78, 90, 117, 130, 135, 142, 195, 213, 234, 270, 351, 355, 390, 426, 585, 639, 702, 710, 923, 1065, 1170, 1278, 1755, 1846, 1917, 2130, 2769, 3195, 3510, 3834, 4615, 5538, 6390, 8307, 9230, 9585, 13845, 16614, 19170, 24921, 27690, 41535, 49842, 83070, 124605, 249210.

If you add them up, you will get the total of 249,686. Now subtract 249,210 to get 476,550