Q: What is the sum of all factors of the number 420,890 excluding 420,890?
A: 336,730
The factors of the number 420,890 are: 1, 2, 5, 10, 42089, 84178, 210445, 420890.
If you add them up, you will get the total of 421,226. Now subtract 420,890 to get 336,730