142557940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1018271}}^1$

素因数の和:1018287

約数の個数: 24

約数和(自身を含む): 342139392

約数和(自身を除く): 199581452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1018271, 2036542, 4073084, 5091355, 7127897, 10182710, 14255794, 20365420, 28511588, 35639485, 71278970, 142557940]

約数ペア:

[(1, 142557940), (2, 71278970), (4, 35639485), (5, 28511588), (7, 20365420), (10, 14255794), (14, 10182710), (20, 7127897), (28, 5091355), (35, 4073084), (70, 2036542), (140, 1018271)]