72793990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{919}}^1$

素因数の和:1104

約数の個数: 24

約数和(自身を含む): 132662160

約数和(自身を除く): 59868170

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 919, 1838, 4595, 7921, 9190, 15842, 39605, 79210, 81791, 163582, 408955, 817910, 7279399, 14558798, 36396995, 72793990]

約数ペア:

[(1, 72793990), (2, 36396995), (5, 14558798), (10, 7279399), (89, 817910), (178, 408955), (445, 163582), (890, 81791), (919, 79210), (1838, 39605), (4595, 15842), (7921, 9190)]