1405180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10037}}^1$

素因数の和:10053

約数の個数: 24

約数和(自身を含む): 3372768

約数和(自身を除く): 1967588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10037, 20074, 40148, 50185, 70259, 100370, 140518, 200740, 281036, 351295, 702590, 1405180]

約数ペア:

[(1, 1405180), (2, 702590), (4, 351295), (5, 281036), (7, 200740), (10, 140518), (14, 100370), (20, 70259), (28, 50185), (35, 40148), (70, 20074), (140, 10037)]