420224000

素因数分解:

$2^{10}\times 5^3\times 7^2\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 264

約数和(自身を含む): 1237730832

約数和(自身を除く): 817506832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 67, 70, 80, 98, 100, 112, 125, 128, 134, 140, 160, 175, 196, 200, 224, 245, 250, 256, 268, 280, 320, 335, 350, 392, 400, 448, 469, 490, 500, 512, 536, 560, 640, 670, 700, 784, 800, 875, 896, 938, 980, 1000, 1024, 1072, 1120, 1225, 1280, 1340, 1400, 1568, 1600, 1675, 1750, 1792, 1876, 1960, 2000, 2144, 2240, 2345, 2450, 2560, 2680, 2800, 3136, 3200, 3283, 3350, 3500, 3584, 3752, 3920, 4000, 4288, 4480, 4690, 4900, 5120, 5360, 5600, 6125, 6272, 6400, 6566, 6700, 7000, 7168, 7504, 7840, 8000, 8375, 8576, 8960, 9380, 9800, 10720, 11200, 11725, 12250, 12544, 12800, 13132, 13400, 14000, 15008, 15680, 16000, 16415, 16750, 17152, 17920, 18760, 19600, 21440, 22400, 23450, 24500, 25088, 25600, 26264, 26800, 28000, 30016, 31360, 32000, 32830, 33500, 34304, 35840, 37520, 39200, 42880, 44800, 46900, 49000, 50176, 52528, 53600, 56000, 58625, 60032, 62720, 64000, 65660, 67000, 68608, 75040, 78400, 82075, 85760, 89600, 93800, 98000, 105056, 107200, 112000, 117250, 120064, 125440, 128000, 131320, 134000, 150080, 156800, 164150, 171520, 179200, 187600, 196000, 210112, 214400, 224000, 234500, 240128, 250880, 262640, 268000, 300160, 313600, 328300, 343040, 375200, 392000, 410375, 420224, 428800, 448000, 469000, 480256, 525280, 536000, 600320, 627200, 656600, 750400, 784000, 820750, 840448, 857600, 896000, 938000, 1050560, 1072000, 1200640, 1254400, 1313200, 1500800, 1568000, 1641500, 1680896, 1715200, 1876000, 2101120, 2144000, 2401280, 2626400, 3001600, 3136000, 3283000, 3361792, 3752000, 4202240, 4288000, 5252800, 6003200, 6272000, 6566000, 7504000, 8404480, 8576000, 10505600, 12006400, 13132000, 15008000, 16808960, 21011200, 26264000, 30016000, 42022400, 52528000, 60032000, 84044800, 105056000, 210112000, 420224000]

約数ペア:

[(1, 420224000), (2, 210112000), (4, 105056000), (5, 84044800), (7, 60032000), (8, 52528000), (10, 42022400), (14, 30016000), (16, 26264000), (20, 21011200), (25, 16808960), (28, 15008000), (32, 13132000), (35, 12006400), (40, 10505600), (49, 8576000), (50, 8404480), (56, 7504000), (64, 6566000), (67, 6272000), (70, 6003200), (80, 5252800), (98, 4288000), (100, 4202240), (112, 3752000), (125, 3361792), (128, 3283000), (134, 3136000), (140, 3001600), (160, 2626400), (175, 2401280), (196, 2144000), (200, 2101120), (224, 1876000), (245, 1715200), (250, 1680896), (256, 1641500), (268, 1568000), (280, 1500800), (320, 1313200), (335, 1254400), (350, 1200640), (392, 1072000), (400, 1050560), (448, 938000), (469, 896000), (490, 857600), (500, 840448), (512, 820750), (536, 784000), (560, 750400), (640, 656600), (670, 627200), (700, 600320), (784, 536000), (800, 525280), (875, 480256), (896, 469000), (938, 448000), (980, 428800), (1000, 420224), (1024, 410375), (1072, 392000), (1120, 375200), (1225, 343040), (1280, 328300), (1340, 313600), (1400, 300160), (1568, 268000), (1600, 262640), (1675, 250880), (1750, 240128), (1792, 234500), (1876, 224000), (1960, 214400), (2000, 210112), (2144, 196000), (2240, 187600), (2345, 179200), (2450, 171520), (2560, 164150), (2680, 156800), (2800, 150080), (3136, 134000), (3200, 131320), (3283, 128000), (3350, 125440), (3500, 120064), (3584, 117250), (3752, 112000), (3920, 107200), (4000, 105056), (4288, 98000), (4480, 93800), (4690, 89600), (4900, 85760), (5120, 82075), (5360, 78400), (5600, 75040), (6125, 68608), (6272, 67000), (6400, 65660), (6566, 64000), (6700, 62720), (7000, 60032), (7168, 58625), (7504, 56000), (7840, 53600), (8000, 52528), (8375, 50176), (8576, 49000), (8960, 46900), (9380, 44800), (9800, 42880), (10720, 39200), (11200, 37520), (11725, 35840), (12250, 34304), (12544, 33500), (12800, 32830), (13132, 32000), (13400, 31360), (14000, 30016), (15008, 28000), (15680, 26800), (16000, 26264), (16415, 25600), (16750, 25088), (17152, 24500), (17920, 23450), (18760, 22400), (19600, 21440)]