Q: What is the sum of all factors of the number 216,840 excluding 216,840?
A: 488,760
The factors of the number 216,840 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 139, 156, 195, 260, 278, 312, 390, 417, 520, 556, 695, 780, 834, 1112, 1390, 1560, 1668, 1807, 2085, 2780, 3336, 3614, 4170, 5421, 5560, 7228, 8340, 9035, 10842, 14456, 16680, 18070, 21684, 27105, 36140, 43368, 54210, 72280, 108420, 216840.
If you add them up, you will get the total of 217,328. Now subtract 216,840 to get 488,760