77009020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1759}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 177408000

約数和(自身を除く): 100398980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1759, 1990, 2189, 3518, 3980, 4378, 7036, 8756, 8795, 10945, 17590, 19349, 21890, 35180, 38698, 43780, 77396, 96745, 193490, 350041, 386980, 700082, 1400164, 1750205, 3500410, 3850451, 7000820, 7700902, 15401804, 19252255, 38504510, 77009020]

約数ペア:

[(1, 77009020), (2, 38504510), (4, 19252255), (5, 15401804), (10, 7700902), (11, 7000820), (20, 3850451), (22, 3500410), (44, 1750205), (55, 1400164), (110, 700082), (199, 386980), (220, 350041), (398, 193490), (796, 96745), (995, 77396), (1759, 43780), (1990, 38698), (2189, 35180), (3518, 21890), (3980, 19349), (4378, 17590), (7036, 10945), (8756, 8795)]