Q: What is the sum of all factors of the number 640,894 excluding 640,894?
A: 351,554
The factors of the number 640,894 are: 1, 2, 31, 62, 10337, 20674, 320447, 640894.
If you add them up, you will get the total of 641,245. Now subtract 640,894 to get 351,554