19712000

素因数分解:

$2^{11}\times 5^3\times 7^1\times {\mathrm{11}}^1$

素因数の和:55

約数の個数: 192

約数和(自身を含む): 61326720

約数和(自身を除く): 41614720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 64, 70, 77, 80, 88, 100, 110, 112, 125, 128, 140, 154, 160, 175, 176, 200, 220, 224, 250, 256, 275, 280, 308, 320, 350, 352, 385, 400, 440, 448, 500, 512, 550, 560, 616, 640, 700, 704, 770, 800, 875, 880, 896, 1000, 1024, 1100, 1120, 1232, 1280, 1375, 1400, 1408, 1540, 1600, 1750, 1760, 1792, 1925, 2000, 2048, 2200, 2240, 2464, 2560, 2750, 2800, 2816, 3080, 3200, 3500, 3520, 3584, 3850, 4000, 4400, 4480, 4928, 5120, 5500, 5600, 5632, 6160, 6400, 7000, 7040, 7168, 7700, 8000, 8800, 8960, 9625, 9856, 10240, 11000, 11200, 11264, 12320, 12800, 14000, 14080, 14336, 15400, 16000, 17600, 17920, 19250, 19712, 22000, 22400, 22528, 24640, 25600, 28000, 28160, 30800, 32000, 35200, 35840, 38500, 39424, 44000, 44800, 49280, 51200, 56000, 56320, 61600, 64000, 70400, 71680, 77000, 78848, 88000, 89600, 98560, 112000, 112640, 123200, 128000, 140800, 154000, 157696, 176000, 179200, 197120, 224000, 246400, 256000, 281600, 308000, 352000, 358400, 394240, 448000, 492800, 563200, 616000, 704000, 788480, 896000, 985600, 1232000, 1408000, 1792000, 1971200, 2464000, 2816000, 3942400, 4928000, 9856000, 19712000]

約数ペア:

[(1, 19712000), (2, 9856000), (4, 4928000), (5, 3942400), (7, 2816000), (8, 2464000), (10, 1971200), (11, 1792000), (14, 1408000), (16, 1232000), (20, 985600), (22, 896000), (25, 788480), (28, 704000), (32, 616000), (35, 563200), (40, 492800), (44, 448000), (50, 394240), (55, 358400), (56, 352000), (64, 308000), (70, 281600), (77, 256000), (80, 246400), (88, 224000), (100, 197120), (110, 179200), (112, 176000), (125, 157696), (128, 154000), (140, 140800), (154, 128000), (160, 123200), (175, 112640), (176, 112000), (200, 98560), (220, 89600), (224, 88000), (250, 78848), (256, 77000), (275, 71680), (280, 70400), (308, 64000), (320, 61600), (350, 56320), (352, 56000), (385, 51200), (400, 49280), (440, 44800), (448, 44000), (500, 39424), (512, 38500), (550, 35840), (560, 35200), (616, 32000), (640, 30800), (700, 28160), (704, 28000), (770, 25600), (800, 24640), (875, 22528), (880, 22400), (896, 22000), (1000, 19712), (1024, 19250), (1100, 17920), (1120, 17600), (1232, 16000), (1280, 15400), (1375, 14336), (1400, 14080), (1408, 14000), (1540, 12800), (1600, 12320), (1750, 11264), (1760, 11200), (1792, 11000), (1925, 10240), (2000, 9856), (2048, 9625), (2200, 8960), (2240, 8800), (2464, 8000), (2560, 7700), (2750, 7168), (2800, 7040), (2816, 7000), (3080, 6400), (3200, 6160), (3500, 5632), (3520, 5600), (3584, 5500), (3850, 5120), (4000, 4928), (4400, 4480)]