3897740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 10209024

約数和(自身を除く): 6311284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2531, 5062, 10124, 12655, 17717, 25310, 27841, 35434, 50620, 55682, 70868, 88585, 111364, 139205, 177170, 194887, 278410, 354340, 389774, 556820, 779548, 974435, 1948870, 3897740]

約数ペア:

[(1, 3897740), (2, 1948870), (4, 974435), (5, 779548), (7, 556820), (10, 389774), (11, 354340), (14, 278410), (20, 194887), (22, 177170), (28, 139205), (35, 111364), (44, 88585), (55, 70868), (70, 55682), (77, 50620), (110, 35434), (140, 27841), (154, 25310), (220, 17717), (308, 12655), (385, 10124), (770, 5062), (1540, 2531)]