Q: What is the sum of all factors of the number 1,218,420 excluding 1,218,420?
A: 3,009,804
The factors of the number 1,218,420 are: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 967, 1260, 1934, 2901, 3868, 4835, 5802, 6769, 8703, 9670, 11604, 13538, 14505, 17406, 19340, 20307, 27076, 29010, 33845, 34812, 40614, 43515, 58020, 60921, 67690, 81228, 87030, 101535, 121842, 135380, 174060, 203070, 243684, 304605, 406140, 609210, 1218420.
If you add them up, you will get the total of 1,218,423. Now subtract 1,218,420 to get 3,009,804