Q: What is the sum of all factors of the number 215,478 excluding 215,478?
A: 251,430
The factors of the number 215,478 are: 1, 2, 3, 6, 9, 18, 11971, 23942, 35913, 71826, 107739, 215478.
If you add them up, you will get the total of 215,729. Now subtract 215,478 to get 251,430