2089400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 5029440

約数和(自身を除く): 2940040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 337, 620, 674, 775, 1240, 1348, 1550, 1685, 2696, 3100, 3370, 6200, 6740, 8425, 10447, 13480, 16850, 20894, 33700, 41788, 52235, 67400, 83576, 104470, 208940, 261175, 417880, 522350, 1044700, 2089400]

約数ペア:

[(1, 2089400), (2, 1044700), (4, 522350), (5, 417880), (8, 261175), (10, 208940), (20, 104470), (25, 83576), (31, 67400), (40, 52235), (50, 41788), (62, 33700), (100, 20894), (124, 16850), (155, 13480), (200, 10447), (248, 8425), (310, 6740), (337, 6200), (620, 3370), (674, 3100), (775, 2696), (1240, 1685), (1348, 1550)]