4397540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 10692864

約数和(自身を除く): 6295324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 311, 404, 505, 622, 707, 1010, 1244, 1414, 1555, 2020, 2177, 2828, 3110, 3535, 4354, 6220, 7070, 8708, 10885, 14140, 21770, 31411, 43540, 62822, 125644, 157055, 219877, 314110, 439754, 628220, 879508, 1099385, 2198770, 4397540]

約数ペア:

[(1, 4397540), (2, 2198770), (4, 1099385), (5, 879508), (7, 628220), (10, 439754), (14, 314110), (20, 219877), (28, 157055), (35, 125644), (70, 62822), (101, 43540), (140, 31411), (202, 21770), (311, 14140), (404, 10885), (505, 8708), (622, 7070), (707, 6220), (1010, 4354), (1244, 3535), (1414, 3110), (1555, 2828), (2020, 2177)]