290779008

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1940

約数の個数: 128

約数和(自身を含む): 859084800

約数和(自身を除く): 568305792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 312, 372, 384, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1664, 1879, 1984, 2418, 2496, 2976, 3224, 3758, 3968, 4836, 4992, 5637, 5952, 6448, 7516, 9672, 11274, 11904, 12896, 15032, 19344, 22548, 24427, 25792, 30064, 38688, 45096, 48854, 51584, 58249, 60128, 73281, 77376, 90192, 97708, 116498, 120256, 146562, 154752, 174747, 180384, 195416, 232996, 240512, 293124, 349494, 360768, 390832, 465992, 586248, 698988, 721536, 757237, 781664, 931984, 1172496, 1397976, 1514474, 1563328, 1863968, 2271711, 2344992, 2795952, 3028948, 3126656, 3727936, 4543422, 4689984, 5591904, 6057896, 7455872, 9086844, 9379968, 11183808, 12115792, 18173688, 22367616, 24231584, 36347376, 48463168, 72694752, 96926336, 145389504, 290779008]

約数ペア:

[(1, 290779008), (2, 145389504), (3, 96926336), (4, 72694752), (6, 48463168), (8, 36347376), (12, 24231584), (13, 22367616), (16, 18173688), (24, 12115792), (26, 11183808), (31, 9379968), (32, 9086844), (39, 7455872), (48, 6057896), (52, 5591904), (62, 4689984), (64, 4543422), (78, 3727936), (93, 3126656), (96, 3028948), (104, 2795952), (124, 2344992), (128, 2271711), (156, 1863968), (186, 1563328), (192, 1514474), (208, 1397976), (248, 1172496), (312, 931984), (372, 781664), (384, 757237), (403, 721536), (416, 698988), (496, 586248), (624, 465992), (744, 390832), (806, 360768), (832, 349494), (992, 293124), (1209, 240512), (1248, 232996), (1488, 195416), (1612, 180384), (1664, 174747), (1879, 154752), (1984, 146562), (2418, 120256), (2496, 116498), (2976, 97708), (3224, 90192), (3758, 77376), (3968, 73281), (4836, 60128), (4992, 58249), (5637, 51584), (5952, 48854), (6448, 45096), (7516, 38688), (9672, 30064), (11274, 25792), (11904, 24427), (12896, 22548), (15032, 19344)]