Q: What is the sum of all factors of the number 420,645,060 excluding 420,645,060?

 A: 971,314,236

Why is 971,314,236 the sum of all factors of 420,645,060, excluding 420,645,060?

The factors of the number 420,645,060 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 212447, 424894, 637341, 849788, 1062235, 1274682, 1912023, 2124470, 2336917, 2549364, 3186705, 3824046, 4248940, 4673834, 6373410, 7010751, 7648092, 9347668, 9560115, 11684585, 12746820, 14021502, 19120230, 21032253, 23369170, 28043004, 35053755, 38240460, 42064506, 46738340, 70107510, 84129012, 105161265, 140215020, 210322530, 420645060.

If you add them up, you will get the total of 420,646,031. Now subtract 420,645,060 to get 971,314,236


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