420560000

素因数分解:

$2^7\times 5^4\times 7^1\times {\mathrm{751}}^1$

素因数の和:792

約数の個数: 160

約数和(自身を含む): 1198116480

約数和(自身を除く): 777556480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 625, 640, 700, 751, 800, 875, 896, 1000, 1120, 1250, 1400, 1502, 1600, 1750, 2000, 2240, 2500, 2800, 3004, 3200, 3500, 3755, 4000, 4375, 4480, 5000, 5257, 5600, 6008, 7000, 7510, 8000, 8750, 10000, 10514, 11200, 12016, 14000, 15020, 16000, 17500, 18775, 20000, 21028, 22400, 24032, 26285, 28000, 30040, 35000, 37550, 40000, 42056, 48064, 52570, 56000, 60080, 70000, 75100, 80000, 84112, 93875, 96128, 105140, 112000, 120160, 131425, 140000, 150200, 168224, 187750, 210280, 240320, 262850, 280000, 300400, 336448, 375500, 420560, 469375, 480640, 525700, 560000, 600800, 657125, 672896, 751000, 841120, 938750, 1051400, 1201600, 1314250, 1502000, 1682240, 1877500, 2102800, 2403200, 2628500, 3004000, 3285625, 3364480, 3755000, 4205600, 5257000, 6008000, 6571250, 7510000, 8411200, 10514000, 12016000, 13142500, 15020000, 16822400, 21028000, 26285000, 30040000, 42056000, 52570000, 60080000, 84112000, 105140000, 210280000, 420560000]

約数ペア:

[(1, 420560000), (2, 210280000), (4, 105140000), (5, 84112000), (7, 60080000), (8, 52570000), (10, 42056000), (14, 30040000), (16, 26285000), (20, 21028000), (25, 16822400), (28, 15020000), (32, 13142500), (35, 12016000), (40, 10514000), (50, 8411200), (56, 7510000), (64, 6571250), (70, 6008000), (80, 5257000), (100, 4205600), (112, 3755000), (125, 3364480), (128, 3285625), (140, 3004000), (160, 2628500), (175, 2403200), (200, 2102800), (224, 1877500), (250, 1682240), (280, 1502000), (320, 1314250), (350, 1201600), (400, 1051400), (448, 938750), (500, 841120), (560, 751000), (625, 672896), (640, 657125), (700, 600800), (751, 560000), (800, 525700), (875, 480640), (896, 469375), (1000, 420560), (1120, 375500), (1250, 336448), (1400, 300400), (1502, 280000), (1600, 262850), (1750, 240320), (2000, 210280), (2240, 187750), (2500, 168224), (2800, 150200), (3004, 140000), (3200, 131425), (3500, 120160), (3755, 112000), (4000, 105140), (4375, 96128), (4480, 93875), (5000, 84112), (5257, 80000), (5600, 75100), (6008, 70000), (7000, 60080), (7510, 56000), (8000, 52570), (8750, 48064), (10000, 42056), (10514, 40000), (11200, 37550), (12016, 35000), (14000, 30040), (15020, 28000), (16000, 26285), (17500, 24032), (18775, 22400), (20000, 21028)]