123521860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80209}}^1$

素因数の和:80236

約数の個数: 48

約数和(自身を含む): 323406720

約数和(自身を除く): 199884860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 80209, 160418, 320836, 401045, 561463, 802090, 882299, 1122926, 1604180, 1764598, 2245852, 2807315, 3529196, 4411495, 5614630, 6176093, 8822990, 11229260, 12352186, 17645980, 24704372, 30880465, 61760930, 123521860]

約数ペア:

[(1, 123521860), (2, 61760930), (4, 30880465), (5, 24704372), (7, 17645980), (10, 12352186), (11, 11229260), (14, 8822990), (20, 6176093), (22, 5614630), (28, 4411495), (35, 3529196), (44, 2807315), (55, 2245852), (70, 1764598), (77, 1604180), (110, 1122926), (140, 882299), (154, 802090), (220, 561463), (308, 401045), (385, 320836), (770, 160418), (1540, 80209)]