71547980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{511057}}^1$

素因数の和:511073

約数の個数: 24

約数和(自身を含む): 171715488

約数和(自身を除く): 100167508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 511057, 1022114, 2044228, 2555285, 3577399, 5110570, 7154798, 10221140, 14309596, 17886995, 35773990, 71547980]

約数ペア:

[(1, 71547980), (2, 35773990), (4, 17886995), (5, 14309596), (7, 10221140), (10, 7154798), (14, 5110570), (20, 3577399), (28, 2555285), (35, 2044228), (70, 1022114), (140, 511057)]