307812890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{399757}}^1$

素因数の和:399782

約数の個数: 32

約数和(自身を含む): 690781824

約数和(自身を除く): 382968934

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 399757, 799514, 1998785, 2798299, 3997570, 4397327, 5596598, 8794654, 13991495, 21986635, 27982990, 30781289, 43973270, 61562578, 153906445, 307812890]

約数ペア:

[(1, 307812890), (2, 153906445), (5, 61562578), (7, 43973270), (10, 30781289), (11, 27982990), (14, 21986635), (22, 13991495), (35, 8794654), (55, 5596598), (70, 4397327), (77, 3997570), (110, 2798299), (154, 1998785), (385, 799514), (770, 399757)]