2729020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 6648768

約数和(自身を除く): 3919748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 193, 202, 386, 404, 505, 707, 772, 965, 1010, 1351, 1414, 1930, 2020, 2702, 2828, 3535, 3860, 5404, 6755, 7070, 13510, 14140, 19493, 27020, 38986, 77972, 97465, 136451, 194930, 272902, 389860, 545804, 682255, 1364510, 2729020]

約数ペア:

[(1, 2729020), (2, 1364510), (4, 682255), (5, 545804), (7, 389860), (10, 272902), (14, 194930), (20, 136451), (28, 97465), (35, 77972), (70, 38986), (101, 27020), (140, 19493), (193, 14140), (202, 13510), (386, 7070), (404, 6755), (505, 5404), (707, 3860), (772, 3535), (965, 2828), (1010, 2702), (1351, 2020), (1414, 1930)]