201996800

素因数分解:

$2^9\times 5^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:438

約数の個数: 120

約数和(自身を含む): 513496896

約数和(自身を除く): 311500096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 128, 160, 172, 200, 215, 256, 320, 344, 367, 400, 430, 512, 640, 688, 734, 800, 860, 1075, 1280, 1376, 1468, 1600, 1720, 1835, 2150, 2560, 2752, 2936, 3200, 3440, 3670, 4300, 5504, 5872, 6400, 6880, 7340, 8600, 9175, 11008, 11744, 12800, 13760, 14680, 15781, 17200, 18350, 22016, 23488, 27520, 29360, 31562, 34400, 36700, 46976, 55040, 58720, 63124, 68800, 73400, 78905, 93952, 110080, 117440, 126248, 137600, 146800, 157810, 187904, 234880, 252496, 275200, 293600, 315620, 394525, 469760, 504992, 550400, 587200, 631240, 789050, 939520, 1009984, 1174400, 1262480, 1578100, 2019968, 2348800, 2524960, 3156200, 4039936, 4697600, 5049920, 6312400, 8079872, 10099840, 12624800, 20199680, 25249600, 40399360, 50499200, 100998400, 201996800]

約数ペア:

[(1, 201996800), (2, 100998400), (4, 50499200), (5, 40399360), (8, 25249600), (10, 20199680), (16, 12624800), (20, 10099840), (25, 8079872), (32, 6312400), (40, 5049920), (43, 4697600), (50, 4039936), (64, 3156200), (80, 2524960), (86, 2348800), (100, 2019968), (128, 1578100), (160, 1262480), (172, 1174400), (200, 1009984), (215, 939520), (256, 789050), (320, 631240), (344, 587200), (367, 550400), (400, 504992), (430, 469760), (512, 394525), (640, 315620), (688, 293600), (734, 275200), (800, 252496), (860, 234880), (1075, 187904), (1280, 157810), (1376, 146800), (1468, 137600), (1600, 126248), (1720, 117440), (1835, 110080), (2150, 93952), (2560, 78905), (2752, 73400), (2936, 68800), (3200, 63124), (3440, 58720), (3670, 55040), (4300, 46976), (5504, 36700), (5872, 34400), (6400, 31562), (6880, 29360), (7340, 27520), (8600, 23488), (9175, 22016), (11008, 18350), (11744, 17200), (12800, 15781), (13760, 14680)]