Q: What is the sum of all factors of the number 140,123,240 excluding 140,123,240?

A: 190,520,920

Why is 190,520,920 the sum of all factors of 140,123,240, excluding 140,123,240?

The factors of the number 140,123,240 are: 1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 1987, 3526, 3974, 7052, 7948, 8815, 9935, 14104, 15896, 17630, 19870, 35260, 39740, 70520, 79480, 81467, 85441, 162934, 170882, 325868, 341764, 407335, 427205, 651736, 683528, 814670, 854410, 1629340, 1708820, 3258680, 3417640, 3503081, 7006162, 14012324, 17515405, 28024648, 35030810, 70061620, 140123240.

If you add them up, you will get the total of 140,123,430. Now subtract 140,123,240 to get 190,520,920