9992710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 22579200

約数和(自身を除く): 12586490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 139, 158, 182, 278, 395, 455, 553, 695, 790, 910, 973, 1027, 1106, 1390, 1807, 1946, 2054, 2765, 3614, 4865, 5135, 5530, 7189, 9035, 9730, 10270, 10981, 12649, 14378, 18070, 21962, 25298, 35945, 54905, 63245, 71890, 76867, 109810, 126490, 142753, 153734, 285506, 384335, 713765, 768670, 999271, 1427530, 1998542, 4996355, 9992710]

約数ペア:

[(1, 9992710), (2, 4996355), (5, 1998542), (7, 1427530), (10, 999271), (13, 768670), (14, 713765), (26, 384335), (35, 285506), (65, 153734), (70, 142753), (79, 126490), (91, 109810), (130, 76867), (139, 71890), (158, 63245), (182, 54905), (278, 35945), (395, 25298), (455, 21962), (553, 18070), (695, 14378), (790, 12649), (910, 10981), (973, 10270), (1027, 9730), (1106, 9035), (1390, 7189), (1807, 5530), (1946, 5135), (2054, 4865), (2765, 3614)]