399146664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 1170892800

約数和(自身を除く): 771746136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 109, 142, 168, 213, 218, 284, 307, 327, 426, 436, 497, 568, 614, 654, 763, 852, 872, 921, 994, 1228, 1308, 1491, 1526, 1704, 1842, 1988, 2149, 2289, 2456, 2616, 2982, 3052, 3684, 3976, 4298, 4578, 5964, 6104, 6447, 7368, 7739, 8596, 9156, 11928, 12894, 15478, 17192, 18312, 21797, 23217, 25788, 30956, 33463, 43594, 46434, 51576, 54173, 61912, 65391, 66926, 87188, 92868, 100389, 108346, 130782, 133852, 152579, 162519, 174376, 185736, 200778, 216692, 234241, 261564, 267704, 305158, 325038, 401556, 433384, 457737, 468482, 523128, 610316, 650076, 702723, 803112, 915474, 936964, 1220632, 1300152, 1405446, 1830948, 1873928, 2375873, 2810892, 3661896, 4751746, 5621784, 7127619, 9503492, 14255238, 16631111, 19006984, 28510476, 33262222, 49893333, 57020952, 66524444, 99786666, 133048888, 199573332, 399146664]

約数ペア:

[(1, 399146664), (2, 199573332), (3, 133048888), (4, 99786666), (6, 66524444), (7, 57020952), (8, 49893333), (12, 33262222), (14, 28510476), (21, 19006984), (24, 16631111), (28, 14255238), (42, 9503492), (56, 7127619), (71, 5621784), (84, 4751746), (109, 3661896), (142, 2810892), (168, 2375873), (213, 1873928), (218, 1830948), (284, 1405446), (307, 1300152), (327, 1220632), (426, 936964), (436, 915474), (497, 803112), (568, 702723), (614, 650076), (654, 610316), (763, 523128), (852, 468482), (872, 457737), (921, 433384), (994, 401556), (1228, 325038), (1308, 305158), (1491, 267704), (1526, 261564), (1704, 234241), (1842, 216692), (1988, 200778), (2149, 185736), (2289, 174376), (2456, 162519), (2616, 152579), (2982, 133852), (3052, 130782), (3684, 108346), (3976, 100389), (4298, 92868), (4578, 87188), (5964, 66926), (6104, 65391), (6447, 61912), (7368, 54173), (7739, 51576), (8596, 46434), (9156, 43594), (11928, 33463), (12894, 30956), (15478, 25788), (17192, 23217), (18312, 21797)]