Q: What is the sum of all factors of the number 9,870 excluding 9,870?
A: 17,778
The factors of the number 9,870 are: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 3290, 4935, 9870.
If you add them up, you will get the total of 9,887. Now subtract 9,870 to get 17,778