Q: What is the sum of all factors of the number 404,780 excluding 404,780?
A: 469,828
The factors of the number 404,780 are: 1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 547, 740, 1094, 2188, 2735, 5470, 10940, 20239, 40478, 80956, 101195, 202390, 404780.
If you add them up, you will get the total of 405,249. Now subtract 404,780 to get 469,828