Q: What is the sum of all factors of the number 43,900 excluding 43,900?
A: 51,580
The factors of the number 43,900 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 439, 878, 1756, 2195, 4390, 8780, 10975, 21950, 43900.
If you add them up, you will get the total of 43,951. Now subtract 43,900 to get 51,580