2931740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 7214592

約数和(自身を除く): 4282852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 487, 602, 860, 974, 1204, 1505, 1948, 2435, 3010, 3409, 4870, 6020, 6818, 9740, 13636, 17045, 20941, 34090, 41882, 68180, 83764, 104705, 146587, 209410, 293174, 418820, 586348, 732935, 1465870, 2931740]

約数ペア:

[(1, 2931740), (2, 1465870), (4, 732935), (5, 586348), (7, 418820), (10, 293174), (14, 209410), (20, 146587), (28, 104705), (35, 83764), (43, 68180), (70, 41882), (86, 34090), (140, 20941), (172, 17045), (215, 13636), (301, 9740), (430, 6818), (487, 6020), (602, 4870), (860, 3409), (974, 3010), (1204, 2435), (1505, 1948)]