Q: What is the sum of all factors of the number 129,420 including 129,420?
A: 393,120
The factors of the number 129,420 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 719, 1438, 2157, 2876, 3595, 4314, 6471, 7190, 8628, 10785, 12942, 14380, 21570, 25884, 32355, 43140, 64710, 129420.
If you add them up, you will get the total of 393,120.