Q: What is the sum of all factors of the number 420,455 excluding 420,455?
A: 172,249
The factors of the number 420,455 are: 1, 5, 7, 35, 41, 205, 287, 293, 1435, 1465, 2051, 10255, 12013, 60065, 84091, 420455.
If you add them up, you will get the total of 420,627. Now subtract 420,455 to get 172,249