Q: What is the sum of all factors of the number 218,680 excluding 218,680?
A: 403,400
The factors of the number 218,680 are: 1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 440, 497, 568, 616, 710, 770, 781, 994, 1420, 1540, 1562, 1988, 2485, 2840, 3080, 3124, 3905, 3976, 4970, 5467, 6248, 7810, 9940, 10934, 15620, 19880, 21868, 27335, 31240, 43736, 54670, 109340, 218680.
If you add them up, you will get the total of 219,083. Now subtract 218,680 to get 403,400