311088040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{106537}}^1$

素因数の和:106621

約数の個数: 32

約数和(自身を含む): 709543080

約数和(自身を除く): 398455040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 106537, 213074, 426148, 532685, 852296, 1065370, 2130740, 4261480, 7777201, 15554402, 31108804, 38886005, 62217608, 77772010, 155544020, 311088040]

約数ペア:

[(1, 311088040), (2, 155544020), (4, 77772010), (5, 62217608), (8, 38886005), (10, 31108804), (20, 15554402), (40, 7777201), (73, 4261480), (146, 2130740), (292, 1065370), (365, 852296), (584, 532685), (730, 426148), (1460, 213074), (2920, 106537)]