140180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 303072

約数和(自身を除く): 162892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 163, 172, 215, 326, 430, 652, 815, 860, 1630, 3260, 7009, 14018, 28036, 35045, 70090, 140180]

約数ペア:

[(1, 140180), (2, 70090), (4, 35045), (5, 28036), (10, 14018), (20, 7009), (43, 3260), (86, 1630), (163, 860), (172, 815), (215, 652), (326, 430)]