154018040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1759}}^1$

素因数の和:1980

約数の個数: 64

約数和(自身を含む): 380160000

約数和(自身を除く): 226141960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 995, 1592, 1759, 1990, 2189, 3518, 3980, 4378, 7036, 7960, 8756, 8795, 10945, 14072, 17512, 17590, 19349, 21890, 35180, 38698, 43780, 70360, 77396, 87560, 96745, 154792, 193490, 350041, 386980, 700082, 773960, 1400164, 1750205, 2800328, 3500410, 3850451, 7000820, 7700902, 14001640, 15401804, 19252255, 30803608, 38504510, 77009020, 154018040]

約数ペア:

[(1, 154018040), (2, 77009020), (4, 38504510), (5, 30803608), (8, 19252255), (10, 15401804), (11, 14001640), (20, 7700902), (22, 7000820), (40, 3850451), (44, 3500410), (55, 2800328), (88, 1750205), (110, 1400164), (199, 773960), (220, 700082), (398, 386980), (440, 350041), (796, 193490), (995, 154792), (1592, 96745), (1759, 87560), (1990, 77396), (2189, 70360), (3518, 43780), (3980, 38698), (4378, 35180), (7036, 21890), (7960, 19349), (8756, 17590), (8795, 17512), (10945, 14072)]