Q: What is the sum of all factors of the number 216,240 excluding 216,240?

A: 506,928

Why is 506,928 the sum of all factors of 216,240, excluding 216,240?

The factors of the number 216,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 53, 60, 68, 80, 85, 102, 106, 120, 136, 159, 170, 204, 212, 240, 255, 265, 272, 318, 340, 408, 424, 510, 530, 636, 680, 795, 816, 848, 901, 1020, 1060, 1272, 1360, 1590, 1802, 2040, 2120, 2544, 2703, 3180, 3604, 4080, 4240, 4505, 5406, 6360, 7208, 9010, 10812, 12720, 13515, 14416, 18020, 21624, 27030, 36040, 43248, 54060, 72080, 108120, 216240.

If you add them up, you will get the total of 216,746. Now subtract 216,240 to get 506,928