7488140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 17375904

約数和(自身を除く): 9887764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 337, 404, 505, 674, 1010, 1111, 1348, 1685, 2020, 2222, 3370, 3707, 4444, 5555, 6740, 7414, 11110, 14828, 18535, 22220, 34037, 37070, 68074, 74140, 136148, 170185, 340370, 374407, 680740, 748814, 1497628, 1872035, 3744070, 7488140]

約数ペア:

[(1, 7488140), (2, 3744070), (4, 1872035), (5, 1497628), (10, 748814), (11, 680740), (20, 374407), (22, 340370), (44, 170185), (55, 136148), (101, 74140), (110, 68074), (202, 37070), (220, 34037), (337, 22220), (404, 18535), (505, 14828), (674, 11110), (1010, 7414), (1111, 6740), (1348, 5555), (1685, 4444), (2020, 3707), (2222, 3370)]