76841860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 166320000

約数和(自身を除く): 89478140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 199, 215, 398, 430, 449, 796, 860, 898, 995, 1796, 1990, 2245, 3980, 4490, 8557, 8980, 17114, 19307, 34228, 38614, 42785, 77228, 85570, 89351, 96535, 171140, 178702, 193070, 357404, 386140, 446755, 893510, 1787020, 3842093, 7684186, 15368372, 19210465, 38420930, 76841860]

約数ペア:

[(1, 76841860), (2, 38420930), (4, 19210465), (5, 15368372), (10, 7684186), (20, 3842093), (43, 1787020), (86, 893510), (172, 446755), (199, 386140), (215, 357404), (398, 193070), (430, 178702), (449, 171140), (796, 96535), (860, 89351), (898, 85570), (995, 77228), (1796, 42785), (1990, 38614), (2245, 34228), (3980, 19307), (4490, 17114), (8557, 8980)]