431160920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 1064145600

約数和(自身を除く): 632984680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 101, 137, 152, 164, 190, 202, 205, 274, 328, 380, 404, 410, 505, 548, 685, 760, 779, 808, 820, 1010, 1096, 1370, 1558, 1640, 1919, 2020, 2603, 2740, 3116, 3838, 3895, 4040, 4141, 5206, 5480, 5617, 6232, 7676, 7790, 8282, 9595, 10412, 11234, 13015, 13837, 15352, 15580, 16564, 19190, 20705, 20824, 22468, 26030, 27674, 28085, 31160, 33128, 38380, 41410, 44936, 52060, 55348, 56170, 69185, 76760, 78679, 82820, 104120, 106723, 110696, 112340, 138370, 157358, 165640, 213446, 224680, 262903, 276740, 314716, 393395, 426892, 525806, 533615, 553480, 567317, 629432, 786790, 853784, 1051612, 1067230, 1134634, 1314515, 1573580, 2103224, 2134460, 2269268, 2629030, 2836585, 3147160, 4268920, 4538536, 5258060, 5673170, 10516120, 10779023, 11346340, 21558046, 22692680, 43116092, 53895115, 86232184, 107790230, 215580460, 431160920]

約数ペア:

[(1, 431160920), (2, 215580460), (4, 107790230), (5, 86232184), (8, 53895115), (10, 43116092), (19, 22692680), (20, 21558046), (38, 11346340), (40, 10779023), (41, 10516120), (76, 5673170), (82, 5258060), (95, 4538536), (101, 4268920), (137, 3147160), (152, 2836585), (164, 2629030), (190, 2269268), (202, 2134460), (205, 2103224), (274, 1573580), (328, 1314515), (380, 1134634), (404, 1067230), (410, 1051612), (505, 853784), (548, 786790), (685, 629432), (760, 567317), (779, 553480), (808, 533615), (820, 525806), (1010, 426892), (1096, 393395), (1370, 314716), (1558, 276740), (1640, 262903), (1919, 224680), (2020, 213446), (2603, 165640), (2740, 157358), (3116, 138370), (3838, 112340), (3895, 110696), (4040, 106723), (4141, 104120), (5206, 82820), (5480, 78679), (5617, 76760), (6232, 69185), (7676, 56170), (7790, 55348), (8282, 52060), (9595, 44936), (10412, 41410), (11234, 38380), (13015, 33128), (13837, 31160), (15352, 28085), (15580, 27674), (16564, 26030), (19190, 22468), (20705, 20824)]