257028912

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 180

約数和(自身を含む): 849927000

約数和(自身を除く): 592898088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 73, 84, 98, 112, 126, 144, 146, 147, 168, 196, 219, 252, 292, 294, 336, 392, 438, 441, 499, 504, 511, 584, 588, 657, 784, 876, 882, 998, 1008, 1022, 1168, 1176, 1314, 1497, 1533, 1752, 1764, 1996, 2044, 2352, 2628, 2994, 3066, 3493, 3504, 3528, 3577, 3992, 4088, 4491, 4599, 5256, 5988, 6132, 6986, 7056, 7154, 7984, 8176, 8982, 9198, 10479, 10512, 10731, 11976, 12264, 13972, 14308, 17964, 18396, 20958, 21462, 23952, 24451, 24528, 27944, 28616, 31437, 32193, 35928, 36427, 36792, 41916, 42924, 48902, 55888, 57232, 62874, 64386, 71856, 72854, 73353, 73584, 83832, 85848, 97804, 109281, 125748, 128772, 145708, 146706, 167664, 171696, 195608, 218562, 220059, 251496, 254989, 257544, 291416, 293412, 327843, 391216, 437124, 440118, 502992, 509978, 515088, 582832, 586824, 655686, 764967, 874248, 880236, 1019956, 1173648, 1311372, 1529934, 1748496, 1760472, 1784923, 2039912, 2294901, 2622744, 3059868, 3520944, 3569846, 4079824, 4589802, 5245488, 5354769, 6119736, 7139692, 9179604, 10709538, 12239472, 14279384, 16064307, 18359208, 21419076, 28558768, 32128614, 36718416, 42838152, 64257228, 85676304, 128514456, 257028912]

約数ペア:

[(1, 257028912), (2, 128514456), (3, 85676304), (4, 64257228), (6, 42838152), (7, 36718416), (8, 32128614), (9, 28558768), (12, 21419076), (14, 18359208), (16, 16064307), (18, 14279384), (21, 12239472), (24, 10709538), (28, 9179604), (36, 7139692), (42, 6119736), (48, 5354769), (49, 5245488), (56, 4589802), (63, 4079824), (72, 3569846), (73, 3520944), (84, 3059868), (98, 2622744), (112, 2294901), (126, 2039912), (144, 1784923), (146, 1760472), (147, 1748496), (168, 1529934), (196, 1311372), (219, 1173648), (252, 1019956), (292, 880236), (294, 874248), (336, 764967), (392, 655686), (438, 586824), (441, 582832), (499, 515088), (504, 509978), (511, 502992), (584, 440118), (588, 437124), (657, 391216), (784, 327843), (876, 293412), (882, 291416), (998, 257544), (1008, 254989), (1022, 251496), (1168, 220059), (1176, 218562), (1314, 195608), (1497, 171696), (1533, 167664), (1752, 146706), (1764, 145708), (1996, 128772), (2044, 125748), (2352, 109281), (2628, 97804), (2994, 85848), (3066, 83832), (3493, 73584), (3504, 73353), (3528, 72854), (3577, 71856), (3992, 64386), (4088, 62874), (4491, 57232), (4599, 55888), (5256, 48902), (5988, 42924), (6132, 41916), (6986, 36792), (7056, 36427), (7154, 35928), (7984, 32193), (8176, 31437), (8982, 28616), (9198, 27944), (10479, 24528), (10512, 24451), (10731, 23952), (11976, 21462), (12264, 20958), (13972, 18396), (14308, 17964)]