1900999040

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1031}}^1$

素因数の和:1160

約数の個数: 128

約数和(自身を含む): 4724248320

約数和(自身を除く): 2823249280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 67, 80, 86, 128, 134, 160, 172, 215, 268, 320, 335, 344, 430, 536, 640, 670, 688, 860, 1031, 1072, 1340, 1376, 1720, 2062, 2144, 2680, 2752, 2881, 3440, 4124, 4288, 5155, 5360, 5504, 5762, 6880, 8248, 8576, 10310, 10720, 11524, 13760, 14405, 16496, 20620, 21440, 23048, 27520, 28810, 32992, 41240, 42880, 44333, 46096, 57620, 65984, 69077, 82480, 88666, 92192, 115240, 131968, 138154, 164960, 177332, 184384, 221665, 230480, 276308, 329920, 345385, 354664, 368768, 443330, 460960, 552616, 659840, 690770, 709328, 886660, 921920, 1105232, 1381540, 1418656, 1773320, 1843840, 2210464, 2763080, 2837312, 2970311, 3546640, 4420928, 5526160, 5674624, 5940622, 7093280, 8841856, 11052320, 11881244, 14186560, 14851555, 22104640, 23762488, 28373120, 29703110, 44209280, 47524976, 59406220, 95049952, 118812440, 190099904, 237624880, 380199808, 475249760, 950499520, 1900999040]

約数ペア:

[(1, 1900999040), (2, 950499520), (4, 475249760), (5, 380199808), (8, 237624880), (10, 190099904), (16, 118812440), (20, 95049952), (32, 59406220), (40, 47524976), (43, 44209280), (64, 29703110), (67, 28373120), (80, 23762488), (86, 22104640), (128, 14851555), (134, 14186560), (160, 11881244), (172, 11052320), (215, 8841856), (268, 7093280), (320, 5940622), (335, 5674624), (344, 5526160), (430, 4420928), (536, 3546640), (640, 2970311), (670, 2837312), (688, 2763080), (860, 2210464), (1031, 1843840), (1072, 1773320), (1340, 1418656), (1376, 1381540), (1720, 1105232), (2062, 921920), (2144, 886660), (2680, 709328), (2752, 690770), (2881, 659840), (3440, 552616), (4124, 460960), (4288, 443330), (5155, 368768), (5360, 354664), (5504, 345385), (5762, 329920), (6880, 276308), (8248, 230480), (8576, 221665), (10310, 184384), (10720, 177332), (11524, 164960), (13760, 138154), (14405, 131968), (16496, 115240), (20620, 92192), (21440, 88666), (23048, 82480), (27520, 69077), (28810, 65984), (32992, 57620), (41240, 46096), (42880, 44333)]