142479820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1017713}}^1$

素因数の和:1017729

約数の個数: 24

約数和(自身を含む): 341951904

約数和(自身を除く): 199472084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1017713, 2035426, 4070852, 5088565, 7123991, 10177130, 14247982, 20354260, 28495964, 35619955, 71239910, 142479820]

約数ペア:

[(1, 142479820), (2, 71239910), (4, 35619955), (5, 28495964), (7, 20354260), (10, 14247982), (14, 10177130), (20, 7123991), (28, 5088565), (35, 4070852), (70, 2035426), (140, 1017713)]