68849020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 149022720

約数和(自身を除く): 80173700

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 223, 359, 430, 446, 718, 860, 892, 1115, 1436, 1795, 2230, 3590, 4460, 7180, 9589, 15437, 19178, 30874, 38356, 47945, 61748, 77185, 80057, 95890, 154370, 160114, 191780, 308740, 320228, 400285, 800570, 1601140, 3442451, 6884902, 13769804, 17212255, 34424510, 68849020]

約数ペア:

[(1, 68849020), (2, 34424510), (4, 17212255), (5, 13769804), (10, 6884902), (20, 3442451), (43, 1601140), (86, 800570), (172, 400285), (215, 320228), (223, 308740), (359, 191780), (430, 160114), (446, 154370), (718, 95890), (860, 80057), (892, 77185), (1115, 61748), (1436, 47945), (1795, 38356), (2230, 30874), (3590, 19178), (4460, 15437), (7180, 9589)]