Q: What is the sum of all factors of the number 384,648 excluding 384,648?

A: 721,272

Why is 721,272 the sum of all factors of 384,648, excluding 384,648?

The factors of the number 384,648 are: 1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 47, 62, 66, 88, 93, 94, 124, 132, 141, 186, 188, 248, 264, 282, 341, 372, 376, 517, 564, 682, 744, 1023, 1034, 1128, 1364, 1457, 1551, 2046, 2068, 2728, 2914, 3102, 4092, 4136, 4371, 5828, 6204, 8184, 8742, 11656, 12408, 16027, 17484, 32054, 34968, 48081, 64108, 96162, 128216, 192324, 384648.

If you add them up, you will get the total of 385,369. Now subtract 384,648 to get 721,272