489367400

素因数分解:

$2^3\times 5^2\times {\mathrm{1087}}^1\times {\mathrm{2251}}^1$

素因数の和:3354

約数の個数: 48

約数和(自身を含む): 1139331840

約数和(自身を除く): 649964440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1087, 2174, 2251, 4348, 4502, 5435, 8696, 9004, 10870, 11255, 18008, 21740, 22510, 27175, 43480, 45020, 54350, 56275, 90040, 108700, 112550, 217400, 225100, 450200, 2446837, 4893674, 9787348, 12234185, 19574696, 24468370, 48936740, 61170925, 97873480, 122341850, 244683700, 489367400]

約数ペア:

[(1, 489367400), (2, 244683700), (4, 122341850), (5, 97873480), (8, 61170925), (10, 48936740), (20, 24468370), (25, 19574696), (40, 12234185), (50, 9787348), (100, 4893674), (200, 2446837), (1087, 450200), (2174, 225100), (2251, 217400), (4348, 112550), (4502, 108700), (5435, 90040), (8696, 56275), (9004, 54350), (10870, 45020), (11255, 43480), (18008, 27175), (21740, 22510)]