400648710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:970

約数の個数: 128

約数和(自身を含む): 1205342208

約数和(自身を除く): 804693498

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 251, 330, 385, 462, 502, 691, 753, 770, 1155, 1255, 1382, 1506, 1757, 2073, 2310, 2510, 2761, 3455, 3514, 3765, 4146, 4837, 5271, 5522, 6910, 7530, 7601, 8283, 8785, 9674, 10365, 10542, 13805, 14511, 15202, 16566, 17570, 19327, 20730, 22803, 24185, 26355, 27610, 29022, 38005, 38654, 41415, 45606, 48370, 52710, 53207, 57981, 72555, 76010, 82830, 96635, 106414, 114015, 115962, 145110, 159621, 173441, 193270, 228030, 266035, 289905, 319242, 346882, 520323, 532070, 579810, 798105, 867205, 1040646, 1214087, 1596210, 1734410, 1907851, 2428174, 2601615, 3642261, 3815702, 5203230, 5723553, 6070435, 7284522, 9539255, 11447106, 12140870, 13354957, 18211305, 19078510, 26709914, 28617765, 36422610, 40064871, 57235530, 66774785, 80129742, 133549570, 200324355, 400648710]

約数ペア:

[(1, 400648710), (2, 200324355), (3, 133549570), (5, 80129742), (6, 66774785), (7, 57235530), (10, 40064871), (11, 36422610), (14, 28617765), (15, 26709914), (21, 19078510), (22, 18211305), (30, 13354957), (33, 12140870), (35, 11447106), (42, 9539255), (55, 7284522), (66, 6070435), (70, 5723553), (77, 5203230), (105, 3815702), (110, 3642261), (154, 2601615), (165, 2428174), (210, 1907851), (231, 1734410), (251, 1596210), (330, 1214087), (385, 1040646), (462, 867205), (502, 798105), (691, 579810), (753, 532070), (770, 520323), (1155, 346882), (1255, 319242), (1382, 289905), (1506, 266035), (1757, 228030), (2073, 193270), (2310, 173441), (2510, 159621), (2761, 145110), (3455, 115962), (3514, 114015), (3765, 106414), (4146, 96635), (4837, 82830), (5271, 76010), (5522, 72555), (6910, 57981), (7530, 53207), (7601, 52710), (8283, 48370), (8785, 45606), (9674, 41415), (10365, 38654), (10542, 38005), (13805, 29022), (14511, 27610), (15202, 26355), (16566, 24185), (17570, 22803), (19327, 20730)]