399885408

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 216

約数和(自身を含む): 1278321408

約数和(自身を除く): 878436000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 32, 36, 39, 48, 52, 58, 72, 78, 87, 96, 104, 116, 117, 127, 144, 156, 174, 208, 232, 234, 254, 261, 288, 312, 348, 377, 381, 416, 464, 468, 508, 522, 624, 696, 754, 762, 841, 928, 936, 1016, 1044, 1131, 1143, 1248, 1392, 1508, 1524, 1651, 1682, 1872, 2032, 2088, 2262, 2286, 2523, 2784, 3016, 3048, 3302, 3364, 3393, 3683, 3744, 4064, 4176, 4524, 4572, 4953, 5046, 6032, 6096, 6604, 6728, 6786, 7366, 7569, 8352, 9048, 9144, 9906, 10092, 10933, 11049, 12064, 12192, 13208, 13456, 13572, 14732, 14859, 15138, 18096, 18288, 19812, 20184, 21866, 22098, 26416, 26912, 27144, 29464, 29718, 30276, 32799, 33147, 36192, 36576, 39624, 40368, 43732, 44196, 47879, 52832, 54288, 58928, 59436, 60552, 65598, 66294, 79248, 80736, 87464, 88392, 95758, 98397, 106807, 108576, 117856, 118872, 121104, 131196, 132588, 143637, 158496, 174928, 176784, 191516, 196794, 213614, 237744, 242208, 262392, 265176, 287274, 320421, 349856, 353568, 383032, 393588, 427228, 430911, 475488, 524784, 530352, 574548, 640842, 766064, 787176, 854456, 861822, 961263, 1049568, 1060704, 1149096, 1281684, 1388491, 1532128, 1574352, 1708912, 1723644, 1922526, 2298192, 2563368, 2776982, 3148704, 3417824, 3447288, 3845052, 4165473, 4596384, 5126736, 5553964, 6894576, 7690104, 8330946, 10253472, 11107928, 12496419, 13789152, 15380208, 16661892, 22215856, 24992838, 30760416, 33323784, 44431712, 49985676, 66647568, 99971352, 133295136, 199942704, 399885408]

約数ペア:

[(1, 399885408), (2, 199942704), (3, 133295136), (4, 99971352), (6, 66647568), (8, 49985676), (9, 44431712), (12, 33323784), (13, 30760416), (16, 24992838), (18, 22215856), (24, 16661892), (26, 15380208), (29, 13789152), (32, 12496419), (36, 11107928), (39, 10253472), (48, 8330946), (52, 7690104), (58, 6894576), (72, 5553964), (78, 5126736), (87, 4596384), (96, 4165473), (104, 3845052), (116, 3447288), (117, 3417824), (127, 3148704), (144, 2776982), (156, 2563368), (174, 2298192), (208, 1922526), (232, 1723644), (234, 1708912), (254, 1574352), (261, 1532128), (288, 1388491), (312, 1281684), (348, 1149096), (377, 1060704), (381, 1049568), (416, 961263), (464, 861822), (468, 854456), (508, 787176), (522, 766064), (624, 640842), (696, 574548), (754, 530352), (762, 524784), (841, 475488), (928, 430911), (936, 427228), (1016, 393588), (1044, 383032), (1131, 353568), (1143, 349856), (1248, 320421), (1392, 287274), (1508, 265176), (1524, 262392), (1651, 242208), (1682, 237744), (1872, 213614), (2032, 196794), (2088, 191516), (2262, 176784), (2286, 174928), (2523, 158496), (2784, 143637), (3016, 132588), (3048, 131196), (3302, 121104), (3364, 118872), (3393, 117856), (3683, 108576), (3744, 106807), (4064, 98397), (4176, 95758), (4524, 88392), (4572, 87464), (4953, 80736), (5046, 79248), (6032, 66294), (6096, 65598), (6604, 60552), (6728, 59436), (6786, 58928), (7366, 54288), (7569, 52832), (8352, 47879), (9048, 44196), (9144, 43732), (9906, 40368), (10092, 39624), (10933, 36576), (11049, 36192), (12064, 33147), (12192, 32799), (13208, 30276), (13456, 29718), (13572, 29464), (14732, 27144), (14859, 26912), (15138, 26416), (18096, 22098), (18288, 21866), (19812, 20184)]