202178260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{235091}}^1$

素因数の和:235143

約数の個数: 24

約数和(自身を含む): 434450016

約数和(自身を除く): 232271756

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 235091, 470182, 940364, 1175455, 2350910, 4701820, 10108913, 20217826, 40435652, 50544565, 101089130, 202178260]

約数ペア:

[(1, 202178260), (2, 101089130), (4, 50544565), (5, 40435652), (10, 20217826), (20, 10108913), (43, 4701820), (86, 2350910), (172, 1175455), (215, 940364), (430, 470182), (860, 235091)]