148867640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{218923}}^1$

素因数の和:218951

約数の個数: 32

約数和(自身を含む): 354656880

約数和(自身を除く): 205789240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 218923, 437846, 875692, 1094615, 1751384, 2189230, 3721691, 4378460, 7443382, 8756920, 14886764, 18608455, 29773528, 37216910, 74433820, 148867640]

約数ペア:

[(1, 148867640), (2, 74433820), (4, 37216910), (5, 29773528), (8, 18608455), (10, 14886764), (17, 8756920), (20, 7443382), (34, 4378460), (40, 3721691), (68, 2189230), (85, 1751384), (136, 1094615), (170, 875692), (340, 437846), (680, 218923)]