399950496

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 216

約数和(自身を含む): 1307124000

約数和(自身を除く): 907173504

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 32, 33, 36, 44, 46, 48, 66, 69, 72, 88, 92, 96, 99, 121, 132, 138, 144, 176, 184, 198, 207, 242, 253, 264, 276, 288, 352, 363, 368, 396, 414, 484, 499, 506, 528, 552, 726, 736, 759, 792, 828, 968, 998, 1012, 1056, 1089, 1104, 1452, 1497, 1518, 1584, 1656, 1936, 1996, 2024, 2178, 2208, 2277, 2783, 2904, 2994, 3036, 3168, 3312, 3872, 3992, 4048, 4356, 4491, 4554, 5489, 5566, 5808, 5988, 6072, 6624, 7984, 8096, 8349, 8712, 8982, 9108, 10978, 11132, 11477, 11616, 11976, 12144, 15968, 16467, 16698, 17424, 17964, 18216, 21956, 22264, 22954, 23952, 24288, 25047, 32934, 33396, 34431, 34848, 35928, 36432, 43912, 44528, 45908, 47904, 49401, 50094, 60379, 65868, 66792, 68862, 71856, 72864, 87824, 89056, 91816, 98802, 100188, 103293, 120758, 126247, 131736, 133584, 137724, 143712, 175648, 181137, 183632, 197604, 200376, 206586, 241516, 252494, 263472, 267168, 275448, 362274, 367264, 378741, 395208, 400752, 413172, 483032, 504988, 526944, 543411, 550896, 724548, 757482, 790416, 801504, 826344, 966064, 1009976, 1086822, 1101792, 1136223, 1388717, 1449096, 1514964, 1580832, 1652688, 1932128, 2019952, 2173644, 2272446, 2777434, 2898192, 3029928, 3305376, 4039904, 4166151, 4347288, 4544892, 5554868, 5796384, 6059856, 8332302, 8694576, 9089784, 11109736, 12119712, 12498453, 16664604, 17389152, 18179568, 22219472, 24996906, 33329208, 36359136, 44438944, 49993812, 66658416, 99987624, 133316832, 199975248, 399950496]

約数ペア:

[(1, 399950496), (2, 199975248), (3, 133316832), (4, 99987624), (6, 66658416), (8, 49993812), (9, 44438944), (11, 36359136), (12, 33329208), (16, 24996906), (18, 22219472), (22, 18179568), (23, 17389152), (24, 16664604), (32, 12498453), (33, 12119712), (36, 11109736), (44, 9089784), (46, 8694576), (48, 8332302), (66, 6059856), (69, 5796384), (72, 5554868), (88, 4544892), (92, 4347288), (96, 4166151), (99, 4039904), (121, 3305376), (132, 3029928), (138, 2898192), (144, 2777434), (176, 2272446), (184, 2173644), (198, 2019952), (207, 1932128), (242, 1652688), (253, 1580832), (264, 1514964), (276, 1449096), (288, 1388717), (352, 1136223), (363, 1101792), (368, 1086822), (396, 1009976), (414, 966064), (484, 826344), (499, 801504), (506, 790416), (528, 757482), (552, 724548), (726, 550896), (736, 543411), (759, 526944), (792, 504988), (828, 483032), (968, 413172), (998, 400752), (1012, 395208), (1056, 378741), (1089, 367264), (1104, 362274), (1452, 275448), (1497, 267168), (1518, 263472), (1584, 252494), (1656, 241516), (1936, 206586), (1996, 200376), (2024, 197604), (2178, 183632), (2208, 181137), (2277, 175648), (2783, 143712), (2904, 137724), (2994, 133584), (3036, 131736), (3168, 126247), (3312, 120758), (3872, 103293), (3992, 100188), (4048, 98802), (4356, 91816), (4491, 89056), (4554, 87824), (5489, 72864), (5566, 71856), (5808, 68862), (5988, 66792), (6072, 65868), (6624, 60379), (7984, 50094), (8096, 49401), (8349, 47904), (8712, 45908), (8982, 44528), (9108, 43912), (10978, 36432), (11132, 35928), (11477, 34848), (11616, 34431), (11976, 33396), (12144, 32934), (15968, 25047), (16467, 24288), (16698, 23952), (17424, 22954), (17964, 22264), (18216, 21956)]