219520000

素因数分解:

$2^{10}\times 5^4\times 7^3$

素因数の和:61

約数の個数: 220

約数和(自身を含む): 639482800

約数和(自身を除く): 419962800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 256, 280, 320, 343, 350, 392, 400, 448, 490, 500, 512, 560, 625, 640, 686, 700, 784, 800, 875, 896, 980, 1000, 1024, 1120, 1225, 1250, 1280, 1372, 1400, 1568, 1600, 1715, 1750, 1792, 1960, 2000, 2240, 2450, 2500, 2560, 2744, 2800, 3136, 3200, 3430, 3500, 3584, 3920, 4000, 4375, 4480, 4900, 5000, 5120, 5488, 5600, 6125, 6272, 6400, 6860, 7000, 7168, 7840, 8000, 8575, 8750, 8960, 9800, 10000, 10976, 11200, 12250, 12544, 12800, 13720, 14000, 15680, 16000, 17150, 17500, 17920, 19600, 20000, 21952, 22400, 24500, 25088, 25600, 27440, 28000, 30625, 31360, 32000, 34300, 35000, 35840, 39200, 40000, 42875, 43904, 44800, 49000, 50176, 54880, 56000, 61250, 62720, 64000, 68600, 70000, 78400, 80000, 85750, 87808, 89600, 98000, 109760, 112000, 122500, 125440, 128000, 137200, 140000, 156800, 160000, 171500, 175616, 179200, 196000, 214375, 219520, 224000, 245000, 250880, 274400, 280000, 313600, 320000, 343000, 351232, 392000, 428750, 439040, 448000, 490000, 548800, 560000, 627200, 640000, 686000, 784000, 857500, 878080, 896000, 980000, 1097600, 1120000, 1254400, 1372000, 1568000, 1715000, 1756160, 1960000, 2195200, 2240000, 2744000, 3136000, 3430000, 3920000, 4390400, 4480000, 5488000, 6272000, 6860000, 7840000, 8780800, 10976000, 13720000, 15680000, 21952000, 27440000, 31360000, 43904000, 54880000, 109760000, 219520000]

約数ペア:

[(1, 219520000), (2, 109760000), (4, 54880000), (5, 43904000), (7, 31360000), (8, 27440000), (10, 21952000), (14, 15680000), (16, 13720000), (20, 10976000), (25, 8780800), (28, 7840000), (32, 6860000), (35, 6272000), (40, 5488000), (49, 4480000), (50, 4390400), (56, 3920000), (64, 3430000), (70, 3136000), (80, 2744000), (98, 2240000), (100, 2195200), (112, 1960000), (125, 1756160), (128, 1715000), (140, 1568000), (160, 1372000), (175, 1254400), (196, 1120000), (200, 1097600), (224, 980000), (245, 896000), (250, 878080), (256, 857500), (280, 784000), (320, 686000), (343, 640000), (350, 627200), (392, 560000), (400, 548800), (448, 490000), (490, 448000), (500, 439040), (512, 428750), (560, 392000), (625, 351232), (640, 343000), (686, 320000), (700, 313600), (784, 280000), (800, 274400), (875, 250880), (896, 245000), (980, 224000), (1000, 219520), (1024, 214375), (1120, 196000), (1225, 179200), (1250, 175616), (1280, 171500), (1372, 160000), (1400, 156800), (1568, 140000), (1600, 137200), (1715, 128000), (1750, 125440), (1792, 122500), (1960, 112000), (2000, 109760), (2240, 98000), (2450, 89600), (2500, 87808), (2560, 85750), (2744, 80000), (2800, 78400), (3136, 70000), (3200, 68600), (3430, 64000), (3500, 62720), (3584, 61250), (3920, 56000), (4000, 54880), (4375, 50176), (4480, 49000), (4900, 44800), (5000, 43904), (5120, 42875), (5488, 40000), (5600, 39200), (6125, 35840), (6272, 35000), (6400, 34300), (6860, 32000), (7000, 31360), (7168, 30625), (7840, 28000), (8000, 27440), (8575, 25600), (8750, 25088), (8960, 24500), (9800, 22400), (10000, 21952), (10976, 20000), (11200, 19600), (12250, 17920), (12544, 17500), (12800, 17150), (13720, 16000), (14000, 15680)]