268604310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{688729}}^1$

素因数の和:688752

約数の個数: 32

約数和(自身を含む): 694239840

約数和(自身を除く): 425635530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 688729, 1377458, 2066187, 3443645, 4132374, 6887290, 8953477, 10330935, 17906954, 20661870, 26860431, 44767385, 53720862, 89534770, 134302155, 268604310]

約数ペア:

[(1, 268604310), (2, 134302155), (3, 89534770), (5, 53720862), (6, 44767385), (10, 26860431), (13, 20661870), (15, 17906954), (26, 10330935), (30, 8953477), (39, 6887290), (65, 4132374), (78, 3443645), (130, 2066187), (195, 1377458), (390, 688729)]