Q: What is the sum of all factors of the number 68,780 excluding 68,780?
A: 84,100
The factors of the number 68,780 are: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 3439, 3620, 6878, 13756, 17195, 34390, 68780.
If you add them up, you will get the total of 68,864. Now subtract 68,780 to get 84,100