1998140928

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9781}}^1$

素因数の和:9828

約数の個数: 160

約数和(自身を含む): 6404471040

約数和(自身を除く): 4406330112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 256, 266, 304, 336, 384, 399, 448, 456, 512, 532, 608, 672, 768, 798, 896, 912, 1064, 1216, 1344, 1536, 1596, 1792, 1824, 2128, 2432, 2688, 3192, 3584, 3648, 4256, 4864, 5376, 6384, 7296, 8512, 9728, 9781, 10752, 12768, 14592, 17024, 19562, 25536, 29184, 29343, 34048, 39124, 51072, 58686, 68096, 68467, 78248, 102144, 117372, 136934, 156496, 185839, 204288, 205401, 234744, 273868, 312992, 371678, 410802, 469488, 547736, 557517, 625984, 743356, 821604, 938976, 1095472, 1115034, 1251968, 1300873, 1486712, 1643208, 1877952, 2190944, 2230068, 2503936, 2601746, 2973424, 3286416, 3755904, 3902619, 4381888, 4460136, 5007872, 5203492, 5946848, 6572832, 7511808, 7805238, 8763776, 8920272, 10406984, 11893696, 13145664, 15023616, 15610476, 17527552, 17840544, 20813968, 23787392, 26291328, 31220952, 35055104, 35681088, 41627936, 47574784, 52582656, 62441904, 71362176, 83255872, 95149568, 105165312, 124883808, 142724352, 166511744, 249767616, 285448704, 333023488, 499535232, 666046976, 999070464, 1998140928]

約数ペア:

[(1, 1998140928), (2, 999070464), (3, 666046976), (4, 499535232), (6, 333023488), (7, 285448704), (8, 249767616), (12, 166511744), (14, 142724352), (16, 124883808), (19, 105165312), (21, 95149568), (24, 83255872), (28, 71362176), (32, 62441904), (38, 52582656), (42, 47574784), (48, 41627936), (56, 35681088), (57, 35055104), (64, 31220952), (76, 26291328), (84, 23787392), (96, 20813968), (112, 17840544), (114, 17527552), (128, 15610476), (133, 15023616), (152, 13145664), (168, 11893696), (192, 10406984), (224, 8920272), (228, 8763776), (256, 7805238), (266, 7511808), (304, 6572832), (336, 5946848), (384, 5203492), (399, 5007872), (448, 4460136), (456, 4381888), (512, 3902619), (532, 3755904), (608, 3286416), (672, 2973424), (768, 2601746), (798, 2503936), (896, 2230068), (912, 2190944), (1064, 1877952), (1216, 1643208), (1344, 1486712), (1536, 1300873), (1596, 1251968), (1792, 1115034), (1824, 1095472), (2128, 938976), (2432, 821604), (2688, 743356), (3192, 625984), (3584, 557517), (3648, 547736), (4256, 469488), (4864, 410802), (5376, 371678), (6384, 312992), (7296, 273868), (8512, 234744), (9728, 205401), (9781, 204288), (10752, 185839), (12768, 156496), (14592, 136934), (17024, 117372), (19562, 102144), (25536, 78248), (29184, 68467), (29343, 68096), (34048, 58686), (39124, 51072)]