Q: What is the sum of all factors of the number 539,972 excluding 539,972?
A: 420,904
The factors of the number 539,972 are: 1, 2, 4, 61, 122, 244, 2213, 4426, 8852, 134993, 269986, 539972.
If you add them up, you will get the total of 540,392. Now subtract 539,972 to get 420,904