Q: What is the sum of all factors of the number 640,674 excluding 640,674?
A: 747,492
The factors of the number 640,674 are: 1, 2, 3, 6, 9, 18, 35593, 71186, 106779, 213558, 320337, 640674.
If you add them up, you will get the total of 641,421. Now subtract 640,674 to get 747,492