398901888

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1499}}^1$

素因数の和:1540

約数の個数: 256

約数和(自身を含む): 1468800000

約数和(自身を除く): 1069898112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 108, 112, 126, 128, 132, 144, 154, 168, 176, 189, 192, 198, 216, 224, 231, 252, 264, 288, 297, 308, 336, 352, 378, 384, 396, 432, 448, 462, 504, 528, 576, 594, 616, 672, 693, 704, 756, 792, 864, 896, 924, 1008, 1056, 1152, 1188, 1232, 1344, 1386, 1408, 1499, 1512, 1584, 1728, 1848, 2016, 2079, 2112, 2376, 2464, 2688, 2772, 2998, 3024, 3168, 3456, 3696, 4032, 4158, 4224, 4497, 4752, 4928, 5544, 5996, 6048, 6336, 7392, 8064, 8316, 8994, 9504, 9856, 10493, 11088, 11992, 12096, 12672, 13491, 14784, 16489, 16632, 17988, 19008, 20986, 22176, 23984, 24192, 26982, 29568, 31479, 32978, 33264, 35976, 38016, 40473, 41972, 44352, 47968, 49467, 53964, 62958, 65956, 66528, 71952, 80946, 83944, 88704, 94437, 95936, 98934, 107928, 115423, 125916, 131912, 133056, 143904, 148401, 161892, 167888, 188874, 191872, 197868, 215856, 230846, 251832, 263824, 266112, 283311, 287808, 296802, 323784, 335776, 346269, 377748, 395736, 431712, 445203, 461692, 503664, 527648, 566622, 575616, 593604, 647568, 671552, 692538, 755496, 791472, 863424, 890406, 923384, 1007328, 1038807, 1055296, 1133244, 1187208, 1295136, 1343104, 1385076, 1510992, 1582944, 1726848, 1780812, 1846768, 2014656, 2077614, 2110592, 2266488, 2374416, 2590272, 2770152, 3021984, 3116421, 3165888, 3561624, 3693536, 4029312, 4155228, 4532976, 4748832, 5180544, 5540304, 6043968, 6232842, 6331776, 7123248, 7387072, 8310456, 9065952, 9497664, 11080608, 12087936, 12465684, 14246496, 14774144, 16620912, 18131904, 18995328, 22161216, 24931368, 28492992, 33241824, 36263808, 44322432, 49862736, 56985984, 66483648, 99725472, 132967296, 199450944, 398901888]

約数ペア:

[(1, 398901888), (2, 199450944), (3, 132967296), (4, 99725472), (6, 66483648), (7, 56985984), (8, 49862736), (9, 44322432), (11, 36263808), (12, 33241824), (14, 28492992), (16, 24931368), (18, 22161216), (21, 18995328), (22, 18131904), (24, 16620912), (27, 14774144), (28, 14246496), (32, 12465684), (33, 12087936), (36, 11080608), (42, 9497664), (44, 9065952), (48, 8310456), (54, 7387072), (56, 7123248), (63, 6331776), (64, 6232842), (66, 6043968), (72, 5540304), (77, 5180544), (84, 4748832), (88, 4532976), (96, 4155228), (99, 4029312), (108, 3693536), (112, 3561624), (126, 3165888), (128, 3116421), (132, 3021984), (144, 2770152), (154, 2590272), (168, 2374416), (176, 2266488), (189, 2110592), (192, 2077614), (198, 2014656), (216, 1846768), (224, 1780812), (231, 1726848), (252, 1582944), (264, 1510992), (288, 1385076), (297, 1343104), (308, 1295136), (336, 1187208), (352, 1133244), (378, 1055296), (384, 1038807), (396, 1007328), (432, 923384), (448, 890406), (462, 863424), (504, 791472), (528, 755496), (576, 692538), (594, 671552), (616, 647568), (672, 593604), (693, 575616), (704, 566622), (756, 527648), (792, 503664), (864, 461692), (896, 445203), (924, 431712), (1008, 395736), (1056, 377748), (1152, 346269), (1188, 335776), (1232, 323784), (1344, 296802), (1386, 287808), (1408, 283311), (1499, 266112), (1512, 263824), (1584, 251832), (1728, 230846), (1848, 215856), (2016, 197868), (2079, 191872), (2112, 188874), (2376, 167888), (2464, 161892), (2688, 148401), (2772, 143904), (2998, 133056), (3024, 131912), (3168, 125916), (3456, 115423), (3696, 107928), (4032, 98934), (4158, 95936), (4224, 94437), (4497, 88704), (4752, 83944), (4928, 80946), (5544, 71952), (5996, 66528), (6048, 65956), (6336, 62958), (7392, 53964), (8064, 49467), (8316, 47968), (8994, 44352), (9504, 41972), (9856, 40473), (10493, 38016), (11088, 35976), (11992, 33264), (12096, 32978), (12672, 31479), (13491, 29568), (14784, 26982), (16489, 24192), (16632, 23984), (17988, 22176), (19008, 20986)]