2149204820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{43987}}^1$

素因数の和:44352

約数の個数: 48

約数和(自身を含む): 5172988800

約数和(自身を除く): 3023783980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1396, 1745, 2443, 3490, 4886, 6980, 9772, 12215, 24430, 43987, 48860, 87974, 175948, 219935, 307909, 439870, 615818, 879740, 1231636, 1539545, 3079090, 6158180, 15351463, 30702926, 61405852, 76757315, 107460241, 153514630, 214920482, 307029260, 429840964, 537301205, 1074602410, 2149204820]

約数ペア:

[(1, 2149204820), (2, 1074602410), (4, 537301205), (5, 429840964), (7, 307029260), (10, 214920482), (14, 153514630), (20, 107460241), (28, 76757315), (35, 61405852), (70, 30702926), (140, 15351463), (349, 6158180), (698, 3079090), (1396, 1539545), (1745, 1231636), (2443, 879740), (3490, 615818), (4886, 439870), (6980, 307909), (9772, 219935), (12215, 175948), (24430, 87974), (43987, 48860)]