209743160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1759}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 517017600

約数和(自身を除く): 307274440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 440, 542, 1084, 1355, 1759, 2168, 2710, 2981, 3518, 5420, 5962, 7036, 8795, 10840, 11924, 14072, 14905, 17590, 19349, 23848, 29810, 35180, 38698, 59620, 70360, 77396, 96745, 119240, 154792, 193490, 386980, 476689, 773960, 953378, 1906756, 2383445, 3813512, 4766890, 5243579, 9533780, 10487158, 19067560, 20974316, 26217895, 41948632, 52435790, 104871580, 209743160]

約数ペア:

[(1, 209743160), (2, 104871580), (4, 52435790), (5, 41948632), (8, 26217895), (10, 20974316), (11, 19067560), (20, 10487158), (22, 9533780), (40, 5243579), (44, 4766890), (55, 3813512), (88, 2383445), (110, 1906756), (220, 953378), (271, 773960), (440, 476689), (542, 386980), (1084, 193490), (1355, 154792), (1759, 119240), (2168, 96745), (2710, 77396), (2981, 70360), (3518, 59620), (5420, 38698), (5962, 35180), (7036, 29810), (8795, 23848), (10840, 19349), (11924, 17590), (14072, 14905)]