248097140

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{39887}}^1$

素因数の和:40207

約数の個数: 24

約数和(自身を含む): 522692352

約数和(自身を除く): 274595212

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 39887, 79774, 159548, 199435, 398870, 797740, 12404857, 24809714, 49619428, 62024285, 124048570, 248097140]

約数ペア:

[(1, 248097140), (2, 124048570), (4, 62024285), (5, 49619428), (10, 24809714), (20, 12404857), (311, 797740), (622, 398870), (1244, 199435), (1555, 159548), (3110, 79774), (6220, 39887)]