Q: What is the sum of all factors of the number 400,402,253 excluding 400,402,253?
A: 389,395
The factors of the number 400,402,253 are: 1, 1031, 388363, 400402253.
If you add them up, you will get the total of 400,402,642. Now subtract 400,402,253 to get 389,395