318161375

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 488726784

約数和(自身を除く): 170565409

約数列:

[1, 5, 7, 17, 25, 35, 73, 85, 119, 125, 175, 293, 365, 425, 511, 595, 875, 1241, 1465, 1825, 2051, 2125, 2555, 2975, 4981, 6205, 7325, 8687, 9125, 10255, 12775, 14875, 21389, 24905, 31025, 34867, 36625, 43435, 51275, 63875, 106945, 124525, 149723, 155125, 174335, 217175, 256375, 363613, 534725, 622625, 748615, 871675, 1085875, 1818065, 2545291, 2673625, 3743075, 4358375, 9090325, 12726455, 18715375, 45451625, 63632275, 318161375]

約数ペア:

[(1, 318161375), (5, 63632275), (7, 45451625), (17, 18715375), (25, 12726455), (35, 9090325), (73, 4358375), (85, 3743075), (119, 2673625), (125, 2545291), (175, 1818065), (293, 1085875), (365, 871675), (425, 748615), (511, 622625), (595, 534725), (875, 363613), (1241, 256375), (1465, 217175), (1825, 174335), (2051, 155125), (2125, 149723), (2555, 124525), (2975, 106945), (4981, 63875), (6205, 51275), (7325, 43435), (8687, 36625), (9125, 34867), (10255, 31025), (12775, 24905), (14875, 21389)]