Q: What is the sum of all factors of the number 1,279,820 including 1,279,820?
A: 2,721,600
The factors of the number 1,279,820 are: 1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 719, 890, 1438, 1780, 2876, 3595, 7190, 14380, 63991, 127982, 255964, 319955, 639910, 1279820.
If you add them up, you will get the total of 2,721,600.