206908040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1667}}^1$

素因数の和:1814

約数の個数: 64

約数和(自身を含む): 486388800

約数和(自身を除く): 279480760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 107, 116, 145, 214, 232, 290, 428, 535, 580, 856, 1070, 1160, 1667, 2140, 3103, 3334, 4280, 6206, 6668, 8335, 12412, 13336, 15515, 16670, 24824, 31030, 33340, 48343, 62060, 66680, 96686, 124120, 178369, 193372, 241715, 356738, 386744, 483430, 713476, 891845, 966860, 1426952, 1783690, 1933720, 3567380, 5172701, 7134760, 10345402, 20690804, 25863505, 41381608, 51727010, 103454020, 206908040]

約数ペア:

[(1, 206908040), (2, 103454020), (4, 51727010), (5, 41381608), (8, 25863505), (10, 20690804), (20, 10345402), (29, 7134760), (40, 5172701), (58, 3567380), (107, 1933720), (116, 1783690), (145, 1426952), (214, 966860), (232, 891845), (290, 713476), (428, 483430), (535, 386744), (580, 356738), (856, 241715), (1070, 193372), (1160, 178369), (1667, 124120), (2140, 96686), (3103, 66680), (3334, 62060), (4280, 48343), (6206, 33340), (6668, 31030), (8335, 24824), (12412, 16670), (13336, 15515)]