Q: What is the sum of all factors of the number 669,660 excluding 669,660?
A: 1,205,556
The factors of the number 669,660 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 11161, 22322, 33483, 44644, 55805, 66966, 111610, 133932, 167415, 223220, 334830, 669660.
If you add them up, you will get the total of 669,661. Now subtract 669,660 to get 1,205,556