2500540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 6132672

約数和(自身を除く): 3632132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 337, 371, 530, 674, 742, 1060, 1348, 1484, 1685, 1855, 2359, 3370, 3710, 4718, 6740, 7420, 9436, 11795, 17861, 23590, 35722, 47180, 71444, 89305, 125027, 178610, 250054, 357220, 500108, 625135, 1250270, 2500540]

約数ペア:

[(1, 2500540), (2, 1250270), (4, 625135), (5, 500108), (7, 357220), (10, 250054), (14, 178610), (20, 125027), (28, 89305), (35, 71444), (53, 47180), (70, 35722), (106, 23590), (140, 17861), (212, 11795), (265, 9436), (337, 7420), (371, 6740), (530, 4718), (674, 3710), (742, 3370), (1060, 2359), (1348, 1855), (1484, 1685)]