Q: What is the sum of all factors of the number 1,620,420 excluding 1,620,420?
A: 2,976,060
The factors of the number 1,620,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 239, 339, 452, 478, 565, 678, 717, 956, 1130, 1195, 1356, 1434, 1695, 2260, 2390, 2868, 3390, 3585, 4780, 6780, 7170, 14340, 27007, 54014, 81021, 108028, 135035, 162042, 270070, 324084, 405105, 540140, 810210, 1620420.
If you add them up, you will get the total of 1,620,422. Now subtract 1,620,420 to get 2,976,060