399504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 80

約数和(自身を含む): 1249920

約数和(自身を除く): 850416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 41, 42, 48, 56, 58, 82, 84, 87, 112, 116, 123, 164, 168, 174, 203, 232, 246, 287, 328, 336, 348, 406, 464, 492, 574, 609, 656, 696, 812, 861, 984, 1148, 1189, 1218, 1392, 1624, 1722, 1968, 2296, 2378, 2436, 3248, 3444, 3567, 4592, 4756, 4872, 6888, 7134, 8323, 9512, 9744, 13776, 14268, 16646, 19024, 24969, 28536, 33292, 49938, 57072, 66584, 99876, 133168, 199752, 399504]

約数ペア:

[(1, 399504), (2, 199752), (3, 133168), (4, 99876), (6, 66584), (7, 57072), (8, 49938), (12, 33292), (14, 28536), (16, 24969), (21, 19024), (24, 16646), (28, 14268), (29, 13776), (41, 9744), (42, 9512), (48, 8323), (56, 7134), (58, 6888), (82, 4872), (84, 4756), (87, 4592), (112, 3567), (116, 3444), (123, 3248), (164, 2436), (168, 2378), (174, 2296), (203, 1968), (232, 1722), (246, 1624), (287, 1392), (328, 1218), (336, 1189), (348, 1148), (406, 984), (464, 861), (492, 812), (574, 696), (609, 656)]