Q: What is the sum of all factors of the number 120,123,400 including 120,123,400?

A: 280,021,140

Why is 280,021,140 the sum of all factors of 120,123,400, including 120,123,400?

The factors of the number 120,123,400 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 641, 937, 1282, 1874, 2564, 3205, 3748, 4685, 5128, 6410, 7496, 9370, 12820, 16025, 18740, 23425, 25640, 32050, 37480, 46850, 64100, 93700, 128200, 187400, 600617, 1201234, 2402468, 3003085, 4804936, 6006170, 12012340, 15015425, 24024680, 30030850, 60061700, 120123400.

If you add them up, you will get the total of 280,021,140.