Q: What is the sum of all factors of the number 638,130 excluding 638,130?
A: 917,070
The factors of the number 638,130 are: 1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 239, 267, 445, 478, 534, 717, 890, 1195, 1335, 1434, 2390, 2670, 3585, 7170, 21271, 42542, 63813, 106355, 127626, 212710, 319065, 638130.
If you add them up, you will get the total of 639,047. Now subtract 638,130 to get 917,070