Q: What is the sum of all factors of the number 400,072 excluding 400,072?
A: 368,168
The factors of the number 400,072 are: 1, 2, 4, 8, 43, 86, 172, 344, 1163, 2326, 4652, 9304, 50009, 100018, 200036, 400072.
If you add them up, you will get the total of 400,440. Now subtract 400,072 to get 368,168