Q: What is the sum of all factors of the number 209,870 excluding 209,870?
A: 180,658
The factors of the number 209,870 are: 1, 2, 5, 10, 31, 62, 155, 310, 677, 1354, 3385, 6770, 20987, 41974, 104935, 209870.
If you add them up, you will get the total of 210,050. Now subtract 209,870 to get 180,658