208983456

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 144

約数和(自身を含む): 670320000

約数和(自身を除く): 461336544

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 88, 96, 99, 108, 121, 132, 144, 176, 198, 216, 242, 264, 288, 297, 352, 363, 396, 432, 484, 528, 594, 726, 792, 864, 968, 1056, 1089, 1188, 1452, 1584, 1936, 1999, 2178, 2376, 2904, 3168, 3267, 3872, 3998, 4356, 4752, 5808, 5997, 6534, 7996, 8712, 9504, 11616, 11994, 13068, 15992, 17424, 17991, 21989, 23988, 26136, 31984, 34848, 35982, 43978, 47976, 52272, 53973, 63968, 65967, 71964, 87956, 95952, 104544, 107946, 131934, 143928, 175912, 191904, 197901, 215892, 241879, 263868, 287856, 351824, 395802, 431784, 483758, 527736, 575712, 593703, 703648, 725637, 791604, 863568, 967516, 1055472, 1187406, 1451274, 1583208, 1727136, 1935032, 2110944, 2176911, 2374812, 2902548, 3166416, 3870064, 4353822, 4749624, 5805096, 6332832, 6530733, 7740128, 8707644, 9499248, 11610192, 13061466, 17415288, 18998496, 23220384, 26122932, 34830576, 52245864, 69661152, 104491728, 208983456]

約数ペア:

[(1, 208983456), (2, 104491728), (3, 69661152), (4, 52245864), (6, 34830576), (8, 26122932), (9, 23220384), (11, 18998496), (12, 17415288), (16, 13061466), (18, 11610192), (22, 9499248), (24, 8707644), (27, 7740128), (32, 6530733), (33, 6332832), (36, 5805096), (44, 4749624), (48, 4353822), (54, 3870064), (66, 3166416), (72, 2902548), (88, 2374812), (96, 2176911), (99, 2110944), (108, 1935032), (121, 1727136), (132, 1583208), (144, 1451274), (176, 1187406), (198, 1055472), (216, 967516), (242, 863568), (264, 791604), (288, 725637), (297, 703648), (352, 593703), (363, 575712), (396, 527736), (432, 483758), (484, 431784), (528, 395802), (594, 351824), (726, 287856), (792, 263868), (864, 241879), (968, 215892), (1056, 197901), (1089, 191904), (1188, 175912), (1452, 143928), (1584, 131934), (1936, 107946), (1999, 104544), (2178, 95952), (2376, 87956), (2904, 71964), (3168, 65967), (3267, 63968), (3872, 53973), (3998, 52272), (4356, 47976), (4752, 43978), (5808, 35982), (5997, 34848), (6534, 31984), (7996, 26136), (8712, 23988), (9504, 21989), (11616, 17991), (11994, 17424), (13068, 15992)]