2047400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 4938300

約数和(自身を除く): 2890900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 353, 580, 706, 725, 1160, 1412, 1450, 1765, 2824, 2900, 3530, 5800, 7060, 8825, 10237, 14120, 17650, 20474, 35300, 40948, 51185, 70600, 81896, 102370, 204740, 255925, 409480, 511850, 1023700, 2047400]

約数ペア:

[(1, 2047400), (2, 1023700), (4, 511850), (5, 409480), (8, 255925), (10, 204740), (20, 102370), (25, 81896), (29, 70600), (40, 51185), (50, 40948), (58, 35300), (100, 20474), (116, 17650), (145, 14120), (200, 10237), (232, 8825), (290, 7060), (353, 5800), (580, 3530), (706, 2900), (725, 2824), (1160, 1765), (1412, 1450)]