Q: What is the sum of all factors of the number 420,721,306 excluding 420,721,306?
A: 210,360,656
The factors of the number 420,721,306 are: 1, 2, 210360653, 420721306.
If you add them up, you will get the total of 420,721,516. Now subtract 420,721,306 to get 210,360,656