Q: What is the sum of all factors of the number 290,480 excluding 290,480?
A: 385,072
The factors of the number 290,480 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3631, 7262, 14524, 18155, 29048, 36310, 58096, 72620, 145240, 290480.
If you add them up, you will get the total of 290,865. Now subtract 290,480 to get 385,072