400857984

素因数分解:

$2^7\times 3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:131

約数の個数: 240

約数和(自身を含む): 1275915960

約数和(自身を除く): 875057976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 41, 46, 48, 54, 64, 69, 72, 81, 82, 92, 96, 108, 123, 128, 138, 144, 162, 164, 184, 192, 207, 216, 246, 276, 288, 324, 328, 368, 369, 384, 414, 432, 492, 552, 576, 621, 648, 656, 736, 738, 828, 864, 943, 984, 1104, 1107, 1152, 1242, 1296, 1312, 1472, 1476, 1656, 1681, 1728, 1863, 1886, 1968, 2208, 2214, 2484, 2592, 2624, 2829, 2944, 2952, 3312, 3321, 3362, 3456, 3726, 3772, 3936, 4416, 4428, 4968, 5043, 5184, 5248, 5658, 5904, 6624, 6642, 6724, 7452, 7544, 7872, 8487, 8832, 8856, 9936, 10086, 10368, 11316, 11808, 13248, 13284, 13448, 14904, 15088, 15129, 15744, 16974, 17712, 19872, 20172, 22632, 23616, 25461, 26496, 26568, 26896, 29808, 30176, 30258, 33948, 35424, 38663, 39744, 40344, 45264, 45387, 47232, 50922, 53136, 53792, 59616, 60352, 60516, 67896, 70848, 76383, 77326, 79488, 80688, 90528, 90774, 101844, 106272, 107584, 115989, 119232, 120704, 121032, 135792, 136161, 141696, 152766, 154652, 161376, 181056, 181548, 203688, 212544, 215168, 231978, 238464, 242064, 271584, 272322, 305532, 309304, 322752, 347967, 362112, 363096, 407376, 425088, 463956, 484128, 543168, 544644, 611064, 618608, 645504, 695934, 726192, 814752, 927912, 968256, 1043901, 1086336, 1089288, 1222128, 1237216, 1391868, 1452384, 1629504, 1855824, 1936512, 2087802, 2178576, 2444256, 2474432, 2783736, 2904768, 3131703, 3259008, 3711648, 4175604, 4357152, 4888512, 4948864, 5567472, 5809536, 6263406, 7423296, 8351208, 8714304, 9777024, 11134944, 12526812, 14846592, 16702416, 17428608, 22269888, 25053624, 33404832, 44539776, 50107248, 66809664, 100214496, 133619328, 200428992, 400857984]

約数ペア:

[(1, 400857984), (2, 200428992), (3, 133619328), (4, 100214496), (6, 66809664), (8, 50107248), (9, 44539776), (12, 33404832), (16, 25053624), (18, 22269888), (23, 17428608), (24, 16702416), (27, 14846592), (32, 12526812), (36, 11134944), (41, 9777024), (46, 8714304), (48, 8351208), (54, 7423296), (64, 6263406), (69, 5809536), (72, 5567472), (81, 4948864), (82, 4888512), (92, 4357152), (96, 4175604), (108, 3711648), (123, 3259008), (128, 3131703), (138, 2904768), (144, 2783736), (162, 2474432), (164, 2444256), (184, 2178576), (192, 2087802), (207, 1936512), (216, 1855824), (246, 1629504), (276, 1452384), (288, 1391868), (324, 1237216), (328, 1222128), (368, 1089288), (369, 1086336), (384, 1043901), (414, 968256), (432, 927912), (492, 814752), (552, 726192), (576, 695934), (621, 645504), (648, 618608), (656, 611064), (736, 544644), (738, 543168), (828, 484128), (864, 463956), (943, 425088), (984, 407376), (1104, 363096), (1107, 362112), (1152, 347967), (1242, 322752), (1296, 309304), (1312, 305532), (1472, 272322), (1476, 271584), (1656, 242064), (1681, 238464), (1728, 231978), (1863, 215168), (1886, 212544), (1968, 203688), (2208, 181548), (2214, 181056), (2484, 161376), (2592, 154652), (2624, 152766), (2829, 141696), (2944, 136161), (2952, 135792), (3312, 121032), (3321, 120704), (3362, 119232), (3456, 115989), (3726, 107584), (3772, 106272), (3936, 101844), (4416, 90774), (4428, 90528), (4968, 80688), (5043, 79488), (5184, 77326), (5248, 76383), (5658, 70848), (5904, 67896), (6624, 60516), (6642, 60352), (6724, 59616), (7452, 53792), (7544, 53136), (7872, 50922), (8487, 47232), (8832, 45387), (8856, 45264), (9936, 40344), (10086, 39744), (10368, 38663), (11316, 35424), (11808, 33948), (13248, 30258), (13284, 30176), (13448, 29808), (14904, 26896), (15088, 26568), (15129, 26496), (15744, 25461), (16974, 23616), (17712, 22632), (19872, 20172)]