2005423035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 4136140800

約数和(自身を除く): 2130717765

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 129, 149, 165, 215, 231, 271, 301, 385, 447, 473, 645, 745, 813, 903, 1043, 1155, 1355, 1419, 1505, 1639, 1897, 2235, 2365, 2981, 3129, 3311, 4065, 4515, 4917, 5215, 5691, 6407, 7095, 8195, 8943, 9485, 9933, 11473, 11653, 14905, 15645, 16555, 19221, 20867, 24585, 28455, 32035, 34419, 34959, 40379, 44715, 44849, 49665, 57365, 58265, 62601, 70477, 81571, 96105, 104335, 121137, 128183, 134547, 172095, 174795, 201895, 211431, 224245, 244713, 282653, 313005, 352385, 384549, 407855, 444169, 493339, 605685, 640915, 672735, 847959, 897281, 1057155, 1223565, 1332507, 1413265, 1480017, 1736297, 1922745, 2220845, 2466695, 2691843, 3109183, 4239795, 4486405, 5208891, 6662535, 7400085, 8681485, 9327549, 12154079, 13459215, 15545915, 19099267, 26044455, 36462237, 46637745, 57297801, 60770395, 95496335, 133694869, 182311185, 286489005, 401084607, 668474345, 2005423035]

約数ペア:

[(1, 2005423035), (3, 668474345), (5, 401084607), (7, 286489005), (11, 182311185), (15, 133694869), (21, 95496335), (33, 60770395), (35, 57297801), (43, 46637745), (55, 36462237), (77, 26044455), (105, 19099267), (129, 15545915), (149, 13459215), (165, 12154079), (215, 9327549), (231, 8681485), (271, 7400085), (301, 6662535), (385, 5208891), (447, 4486405), (473, 4239795), (645, 3109183), (745, 2691843), (813, 2466695), (903, 2220845), (1043, 1922745), (1155, 1736297), (1355, 1480017), (1419, 1413265), (1505, 1332507), (1639, 1223565), (1897, 1057155), (2235, 897281), (2365, 847959), (2981, 672735), (3129, 640915), (3311, 605685), (4065, 493339), (4515, 444169), (4917, 407855), (5215, 384549), (5691, 352385), (6407, 313005), (7095, 282653), (8195, 244713), (8943, 224245), (9485, 211431), (9933, 201895), (11473, 174795), (11653, 172095), (14905, 134547), (15645, 128183), (16555, 121137), (19221, 104335), (20867, 96105), (24585, 81571), (28455, 70477), (32035, 62601), (34419, 58265), (34959, 57365), (40379, 49665), (44715, 44849)]