74572780

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{15601}}^1$

素因数の和:15849

約数の個数: 24

約数和(自身を含む): 157268160

約数和(自身を除く): 82695380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 15601, 31202, 62404, 78005, 156010, 312020, 3728639, 7457278, 14914556, 18643195, 37286390, 74572780]

約数ペア:

[(1, 74572780), (2, 37286390), (4, 18643195), (5, 14914556), (10, 7457278), (20, 3728639), (239, 312020), (478, 156010), (956, 78005), (1195, 62404), (2390, 31202), (4780, 15601)]