199808000

素因数分解:

$2^{10}\times 5^3\times 7^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 176

約数和(自身を含む): 572242944

約数和(自身を除く): 372434944

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, 223, 224, 250, 256, 280, 320, 350, 400, 446, 448, 500, 512, 560, 640, 700, 800, 875, 892, 896, 1000, 1024, 1115, 1120, 1280, 1400, 1561, 1600, 1750, 1784, 1792, 2000, 2230, 2240, 2560, 2800, 3122, 3200, 3500, 3568, 3584, 4000, 4460, 4480, 5120, 5575, 5600, 6244, 6400, 7000, 7136, 7168, 7805, 8000, 8920, 8960, 11150, 11200, 12488, 12800, 14000, 14272, 15610, 16000, 17840, 17920, 22300, 22400, 24976, 25600, 27875, 28000, 28544, 31220, 32000, 35680, 35840, 39025, 44600, 44800, 49952, 55750, 56000, 57088, 62440, 64000, 71360, 78050, 89200, 89600, 99904, 111500, 112000, 114176, 124880, 128000, 142720, 156100, 178400, 179200, 195125, 199808, 223000, 224000, 228352, 249760, 285440, 312200, 356800, 390250, 399616, 446000, 448000, 499520, 570880, 624400, 713600, 780500, 799232, 892000, 896000, 999040, 1141760, 1248800, 1427200, 1561000, 1598464, 1784000, 1998080, 2497600, 2854400, 3122000, 3568000, 3996160, 4995200, 5708800, 6244000, 7136000, 7992320, 9990400, 12488000, 14272000, 19980800, 24976000, 28544000, 39961600, 49952000, 99904000, 199808000]

約数ペア:

[(1, 199808000), (2, 99904000), (4, 49952000), (5, 39961600), (7, 28544000), (8, 24976000), (10, 19980800), (14, 14272000), (16, 12488000), (20, 9990400), (25, 7992320), (28, 7136000), (32, 6244000), (35, 5708800), (40, 4995200), (50, 3996160), (56, 3568000), (64, 3122000), (70, 2854400), (80, 2497600), (100, 1998080), (112, 1784000), (125, 1598464), (128, 1561000), (140, 1427200), (160, 1248800), (175, 1141760), (200, 999040), (223, 896000), (224, 892000), (250, 799232), (256, 780500), (280, 713600), (320, 624400), (350, 570880), (400, 499520), (446, 448000), (448, 446000), (500, 399616), (512, 390250), (560, 356800), (640, 312200), (700, 285440), (800, 249760), (875, 228352), (892, 224000), (896, 223000), (1000, 199808), (1024, 195125), (1115, 179200), (1120, 178400), (1280, 156100), (1400, 142720), (1561, 128000), (1600, 124880), (1750, 114176), (1784, 112000), (1792, 111500), (2000, 99904), (2230, 89600), (2240, 89200), (2560, 78050), (2800, 71360), (3122, 64000), (3200, 62440), (3500, 57088), (3568, 56000), (3584, 55750), (4000, 49952), (4460, 44800), (4480, 44600), (5120, 39025), (5575, 35840), (5600, 35680), (6244, 32000), (6400, 31220), (7000, 28544), (7136, 28000), (7168, 27875), (7805, 25600), (8000, 24976), (8920, 22400), (8960, 22300), (11150, 17920), (11200, 17840), (12488, 16000), (12800, 15610), (14000, 14272)]