Q: What is the sum of all factors of the number 300,400 excluding 300,400?
A: 422,272
The factors of the number 300,400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 751, 1502, 3004, 3755, 6008, 7510, 12016, 15020, 18775, 30040, 37550, 60080, 75100, 150200, 300400.
If you add them up, you will get the total of 300,822. Now subtract 300,400 to get 422,272