Q: What is the sum of all factors of the number 639,000 excluding 639,000?
A: 1,551,240
The factors of the number 639,000 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 71, 72, 75, 90, 100, 120, 125, 142, 150, 180, 200, 213, 225, 250, 284, 300, 355, 360, 375, 426, 450, 500, 568, 600, 639, 710, 750, 852, 900, 1000, 1065, 1125, 1278, 1420, 1500, 1704, 1775, 1800, 2130, 2250, 2556, 2840, 3000, 3195, 3550, 4260, 4500, 5112, 5325, 6390, 7100, 8520, 8875, 9000, 10650, 12780, 14200, 15975, 17750, 21300, 25560, 26625, 31950, 35500, 42600, 53250, 63900, 71000, 79875, 106500, 127800, 159750, 213000, 319500, 639000.
If you add them up, you will get the total of 639,001. Now subtract 639,000 to get 1,551,240