Q: What is the sum of all factors of the number 212,445 excluding 212,445?
A: 155,871
The factors of the number 212,445 are: 1, 3, 5, 9, 15, 45, 4721, 14163, 23605, 42489, 70815, 212445.
If you add them up, you will get the total of 212,600. Now subtract 212,445 to get 155,871