19712000000

素因数分解:

$2^{14}\times 5^6\times 7^1\times {\mathrm{11}}^1$

素因数の和:76

約数の個数: 420

約数和(自身を含む): 61437338592

約数和(自身を除く): 41725338592

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, 625, 640, 700, 704, 770, 800, 875, 880, 896, 1000, 1024, 1100, 1120, 1232, 1250, 1280, 1375, 1400, 1408, 1540, 1600, 1750, 1760, 1792, 1925, 2000, 2048, 2200, 2240, 2464, 2500, 2560, 2750, 2800, 2816, 3080, 3125, 3200, 3500, 3520, 3584, 3850, 4000, 4096, 4375, 4400, 4480, 4928, 5000, 5120, 5500, 5600, 5632, 6160, 6250, 6400, 6875, 7000, 7040, 7168, 7700, 8000, 8192, 8750, 8800, 8960, 9625, 9856, 10000, 10240, 11000, 11200, 11264, 12320, 12500, 12800, 13750, 14000, 14080, 14336, 15400, 15625, 16000, 16384, 17500, 17600, 17920, 19250, 19712, 20000, 20480, 21875, 22000, 22400, 22528, 24640, 25000, 25600, 27500, 28000, 28160, 28672, 30800, 31250, 32000, 34375, 35000, 35200, 35840, 38500, 39424, 40000, 40960, 43750, 44000, 44800, 45056, 48125, 49280, 50000, 51200, 55000, 56000, 56320, 57344, 61600, 62500, 64000, 68750, 70000, 70400, 71680, 77000, 78848, 80000, 81920, 87500, 88000, 89600, 90112, 96250, 98560, 100000, 102400, 109375, 110000, 112000, 112640, 114688, 123200, 125000, 128000, 137500, 140000, 140800, 143360, 154000, 157696, 160000, 171875, 175000, 176000, 179200, 180224, 192500, 197120, 200000, 204800, 218750, 220000, 224000, 225280, 240625, 246400, 250000, 256000, 275000, 280000, 281600, 286720, 308000, 315392, 320000, 343750, 350000, 352000, 358400, 385000, 394240, 400000, 409600, 437500, 440000, 448000, 450560, 481250, 492800, 500000, 512000, 550000, 560000, 563200, 573440, 616000, 630784, 640000, 687500, 700000, 704000, 716800, 770000, 788480, 800000, 875000, 880000, 896000, 901120, 962500, 985600, 1000000, 1024000, 1100000, 1120000, 1126400, 1203125, 1232000, 1261568, 1280000, 1375000, 1400000, 1408000, 1433600, 1540000, 1576960, 1600000, 1750000, 1760000, 1792000, 1925000, 1971200, 2000000, 2048000, 2200000, 2240000, 2252800, 2406250, 2464000, 2560000, 2750000, 2800000, 2816000, 2867200, 3080000, 3153920, 3200000, 3500000, 3520000, 3584000, 3850000, 3942400, 4000000, 4400000, 4480000, 4505600, 4812500, 4928000, 5120000, 5500000, 5600000, 5632000, 6160000, 6307840, 6400000, 7000000, 7040000, 7168000, 7700000, 7884800, 8000000, 8800000, 8960000, 9625000, 9856000, 10240000, 11000000, 11200000, 11264000, 12320000, 12800000, 14000000, 14080000, 14336000, 15400000, 15769600, 16000000, 17600000, 17920000, 19250000, 19712000, 22000000, 22400000, 22528000, 24640000, 25600000, 28000000, 28160000, 30800000, 31539200, 32000000, 35200000, 35840000, 38500000, 39424000, 44000000, 44800000, 49280000, 51200000, 56000000, 56320000, 61600000, 64000000, 70400000, 71680000, 77000000, 78848000, 88000000, 89600000, 98560000, 112000000, 112640000, 123200000, 128000000, 140800000, 154000000, 157696000, 176000000, 179200000, 197120000, 224000000, 246400000, 256000000, 281600000, 308000000, 352000000, 358400000, 394240000, 448000000, 492800000, 563200000, 616000000, 704000000, 788480000, 896000000, 985600000, 1232000000, 1408000000, 1792000000, 1971200000, 2464000000, 2816000000, 3942400000, 4928000000, 9856000000, 19712000000]

約数ペア:

[(1, 19712000000), (2, 9856000000), (4, 4928000000), (5, 3942400000), (7, 2816000000), (8, 2464000000), (10, 1971200000), (11, 1792000000), (14, 1408000000), (16, 1232000000), (20, 985600000), (22, 896000000), (25, 788480000), (28, 704000000), (32, 616000000), (35, 563200000), (40, 492800000), (44, 448000000), (50, 394240000), (55, 358400000), (56, 352000000), (64, 308000000), (70, 281600000), (77, 256000000), (80, 246400000), (88, 224000000), (100, 197120000), (110, 179200000), (112, 176000000), (125, 157696000), (128, 154000000), (140, 140800000), (154, 128000000), (160, 123200000), (175, 112640000), (176, 112000000), (200, 98560000), (220, 89600000), (224, 88000000), (250, 78848000), (256, 77000000), (275, 71680000), (280, 70400000), (308, 64000000), (320, 61600000), (350, 56320000), (352, 56000000), (385, 51200000), (400, 49280000), (440, 44800000), (448, 44000000), (500, 39424000), (512, 38500000), (550, 35840000), (560, 35200000), (616, 32000000), (625, 31539200), (640, 30800000), (700, 28160000), (704, 28000000), (770, 25600000), (800, 24640000), (875, 22528000), (880, 22400000), (896, 22000000), (1000, 19712000), (1024, 19250000), (1100, 17920000), (1120, 17600000), (1232, 16000000), (1250, 15769600), (1280, 15400000), (1375, 14336000), (1400, 14080000), (1408, 14000000), (1540, 12800000), (1600, 12320000), (1750, 11264000), (1760, 11200000), (1792, 11000000), (1925, 10240000), (2000, 9856000), (2048, 9625000), (2200, 8960000), (2240, 8800000), (2464, 8000000), (2500, 7884800), (2560, 7700000), (2750, 7168000), (2800, 7040000), (2816, 7000000), (3080, 6400000), (3125, 6307840), (3200, 6160000), (3500, 5632000), (3520, 5600000), (3584, 5500000), (3850, 5120000), (4000, 4928000), (4096, 4812500), (4375, 4505600), (4400, 4480000), (4480, 4400000), (4928, 4000000), (5000, 3942400), (5120, 3850000), (5500, 3584000), (5600, 3520000), (5632, 3500000), (6160, 3200000), (6250, 3153920), (6400, 3080000), (6875, 2867200), (7000, 2816000), (7040, 2800000), (7168, 2750000), (7700, 2560000), (8000, 2464000), (8192, 2406250), (8750, 2252800), (8800, 2240000), (8960, 2200000), (9625, 2048000), (9856, 2000000), (10000, 1971200), (10240, 1925000), (11000, 1792000), (11200, 1760000), (11264, 1750000), (12320, 1600000), (12500, 1576960), (12800, 1540000), (13750, 1433600), (14000, 1408000), (14080, 1400000), (14336, 1375000), (15400, 1280000), (15625, 1261568), (16000, 1232000), (16384, 1203125), (17500, 1126400), (17600, 1120000), (17920, 1100000), (19250, 1024000), (19712, 1000000), (20000, 985600), (20480, 962500), (21875, 901120), (22000, 896000), (22400, 880000), (22528, 875000), (24640, 800000), (25000, 788480), (25600, 770000), (27500, 716800), (28000, 704000), (28160, 700000), (28672, 687500), (30800, 640000), (31250, 630784), (32000, 616000), (34375, 573440), (35000, 563200), (35200, 560000), (35840, 550000), (38500, 512000), (39424, 500000), (40000, 492800), (40960, 481250), (43750, 450560), (44000, 448000), (44800, 440000), (45056, 437500), (48125, 409600), (49280, 400000), (50000, 394240), (51200, 385000), (55000, 358400), (56000, 352000), (56320, 350000), (57344, 343750), (61600, 320000), (62500, 315392), (64000, 308000), (68750, 286720), (70000, 281600), (70400, 280000), (71680, 275000), (77000, 256000), (78848, 250000), (80000, 246400), (81920, 240625), (87500, 225280), (88000, 224000), (89600, 220000), (90112, 218750), (96250, 204800), (98560, 200000), (100000, 197120), (102400, 192500), (109375, 180224), (110000, 179200), (112000, 176000), (112640, 175000), (114688, 171875), (123200, 160000), (125000, 157696), (128000, 154000), (137500, 143360), (140000, 140800)]