148840220

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{4591}}^1$

素因数の和:6221

約数の個数: 24

約数和(自身を含む): 312825408

約数和(自身を除く): 163985188

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 4591, 6484, 8105, 9182, 16210, 18364, 22955, 32420, 45910, 91820, 7442011, 14884022, 29768044, 37210055, 74420110, 148840220]

約数ペア:

[(1, 148840220), (2, 74420110), (4, 37210055), (5, 29768044), (10, 14884022), (20, 7442011), (1621, 91820), (3242, 45910), (4591, 32420), (6484, 22955), (8105, 18364), (9182, 16210)]