30109460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 65404416

約数和(自身を除く): 35294956

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 223, 314, 430, 446, 628, 785, 860, 892, 1115, 1570, 2230, 3140, 4460, 6751, 9589, 13502, 19178, 27004, 33755, 35011, 38356, 47945, 67510, 70022, 95890, 135020, 140044, 175055, 191780, 350110, 700220, 1505473, 3010946, 6021892, 7527365, 15054730, 30109460]

約数ペア:

[(1, 30109460), (2, 15054730), (4, 7527365), (5, 6021892), (10, 3010946), (20, 1505473), (43, 700220), (86, 350110), (157, 191780), (172, 175055), (215, 140044), (223, 135020), (314, 95890), (430, 70022), (446, 67510), (628, 47945), (785, 38356), (860, 35011), (892, 33755), (1115, 27004), (1570, 19178), (2230, 13502), (3140, 9589), (4460, 6751)]