309485620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{8369}}^1$

素因数の和:8464

約数の個数: 36

約数和(自身を含む): 665465220

約数和(自身を除く): 355979600

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 7396, 8369, 9245, 16738, 18490, 33476, 36980, 41845, 83690, 167380, 359867, 719734, 1439468, 1799335, 3598670, 7197340, 15474281, 30948562, 61897124, 77371405, 154742810, 309485620]

約数ペア:

[(1, 309485620), (2, 154742810), (4, 77371405), (5, 61897124), (10, 30948562), (20, 15474281), (43, 7197340), (86, 3598670), (172, 1799335), (215, 1439468), (430, 719734), (860, 359867), (1849, 167380), (3698, 83690), (7396, 41845), (8369, 36980), (9245, 33476), (16738, 18490)]