Q: What is the sum of all factors of the number 978,305 excluding 978,305?
A: 279,679
The factors of the number 978,305 are: 1, 5, 23, 47, 115, 181, 235, 905, 1081, 4163, 5405, 8507, 20815, 42535, 195661, 978305.
If you add them up, you will get the total of 978,584. Now subtract 978,305 to get 279,679