148731640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{218723}}^1$

素因数の和:218751

約数の個数: 32

約数和(自身を含む): 354332880

約数和(自身を除く): 205601240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 218723, 437446, 874892, 1093615, 1749784, 2187230, 3718291, 4374460, 7436582, 8748920, 14873164, 18591455, 29746328, 37182910, 74365820, 148731640]

約数ペア:

[(1, 148731640), (2, 74365820), (4, 37182910), (5, 29746328), (8, 18591455), (10, 14873164), (17, 8748920), (20, 7436582), (34, 4374460), (40, 3718291), (68, 2187230), (85, 1749784), (136, 1093615), (170, 874892), (340, 437446), (680, 218723)]