84280000

素因数分解:

$2^6\times 5^4\times 7^2\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 210

約数和(自身を含む): 248760996

約数和(自身を除く): 164480996

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 43, 49, 50, 56, 64, 70, 80, 86, 98, 100, 112, 125, 140, 160, 172, 175, 196, 200, 215, 224, 245, 250, 280, 301, 320, 344, 350, 392, 400, 430, 448, 490, 500, 560, 602, 625, 688, 700, 784, 800, 860, 875, 980, 1000, 1075, 1120, 1204, 1225, 1250, 1376, 1400, 1505, 1568, 1600, 1720, 1750, 1960, 2000, 2107, 2150, 2240, 2408, 2450, 2500, 2752, 2800, 3010, 3136, 3440, 3500, 3920, 4000, 4214, 4300, 4375, 4816, 4900, 5000, 5375, 5600, 6020, 6125, 6880, 7000, 7525, 7840, 8000, 8428, 8600, 8750, 9632, 9800, 10000, 10535, 10750, 11200, 12040, 12250, 13760, 14000, 15050, 15680, 16856, 17200, 17500, 19264, 19600, 20000, 21070, 21500, 24080, 24500, 26875, 28000, 30100, 30625, 33712, 34400, 35000, 37625, 39200, 40000, 42140, 43000, 48160, 49000, 52675, 53750, 56000, 60200, 61250, 67424, 68800, 70000, 75250, 78400, 84280, 86000, 96320, 98000, 105350, 107500, 120400, 122500, 134848, 140000, 150500, 168560, 172000, 188125, 196000, 210700, 215000, 240800, 245000, 263375, 280000, 301000, 337120, 344000, 376250, 392000, 421400, 430000, 481600, 490000, 526750, 602000, 674240, 752500, 842800, 860000, 980000, 1053500, 1204000, 1316875, 1505000, 1685600, 1720000, 1960000, 2107000, 2408000, 2633750, 3010000, 3371200, 4214000, 5267500, 6020000, 8428000, 10535000, 12040000, 16856000, 21070000, 42140000, 84280000]

約数ペア:

[(1, 84280000), (2, 42140000), (4, 21070000), (5, 16856000), (7, 12040000), (8, 10535000), (10, 8428000), (14, 6020000), (16, 5267500), (20, 4214000), (25, 3371200), (28, 3010000), (32, 2633750), (35, 2408000), (40, 2107000), (43, 1960000), (49, 1720000), (50, 1685600), (56, 1505000), (64, 1316875), (70, 1204000), (80, 1053500), (86, 980000), (98, 860000), (100, 842800), (112, 752500), (125, 674240), (140, 602000), (160, 526750), (172, 490000), (175, 481600), (196, 430000), (200, 421400), (215, 392000), (224, 376250), (245, 344000), (250, 337120), (280, 301000), (301, 280000), (320, 263375), (344, 245000), (350, 240800), (392, 215000), (400, 210700), (430, 196000), (448, 188125), (490, 172000), (500, 168560), (560, 150500), (602, 140000), (625, 134848), (688, 122500), (700, 120400), (784, 107500), (800, 105350), (860, 98000), (875, 96320), (980, 86000), (1000, 84280), (1075, 78400), (1120, 75250), (1204, 70000), (1225, 68800), (1250, 67424), (1376, 61250), (1400, 60200), (1505, 56000), (1568, 53750), (1600, 52675), (1720, 49000), (1750, 48160), (1960, 43000), (2000, 42140), (2107, 40000), (2150, 39200), (2240, 37625), (2408, 35000), (2450, 34400), (2500, 33712), (2752, 30625), (2800, 30100), (3010, 28000), (3136, 26875), (3440, 24500), (3500, 24080), (3920, 21500), (4000, 21070), (4214, 20000), (4300, 19600), (4375, 19264), (4816, 17500), (4900, 17200), (5000, 16856), (5375, 15680), (5600, 15050), (6020, 14000), (6125, 13760), (6880, 12250), (7000, 12040), (7525, 11200), (7840, 10750), (8000, 10535), (8428, 10000), (8600, 9800), (8750, 9632)]