996800000

素因数分解:

$2^9\times 5^5\times 7^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 2877003360

約数和(自身を除く): 1880203360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 89, 100, 112, 125, 128, 140, 160, 175, 178, 200, 224, 250, 256, 280, 320, 350, 356, 400, 445, 448, 500, 512, 560, 623, 625, 640, 700, 712, 800, 875, 890, 896, 1000, 1120, 1246, 1250, 1280, 1400, 1424, 1600, 1750, 1780, 1792, 2000, 2225, 2240, 2492, 2500, 2560, 2800, 2848, 3115, 3125, 3200, 3500, 3560, 3584, 4000, 4375, 4450, 4480, 4984, 5000, 5600, 5696, 6230, 6250, 6400, 7000, 7120, 8000, 8750, 8900, 8960, 9968, 10000, 11125, 11200, 11392, 12460, 12500, 12800, 14000, 14240, 15575, 16000, 17500, 17800, 17920, 19936, 20000, 21875, 22250, 22400, 22784, 24920, 25000, 28000, 28480, 31150, 32000, 35000, 35600, 39872, 40000, 43750, 44500, 44800, 45568, 49840, 50000, 55625, 56000, 56960, 62300, 64000, 70000, 71200, 77875, 79744, 80000, 87500, 89000, 89600, 99680, 100000, 111250, 112000, 113920, 124600, 140000, 142400, 155750, 159488, 160000, 175000, 178000, 199360, 200000, 222500, 224000, 227840, 249200, 278125, 280000, 284800, 311500, 318976, 320000, 350000, 356000, 389375, 398720, 400000, 445000, 448000, 498400, 556250, 560000, 569600, 623000, 700000, 712000, 778750, 797440, 800000, 890000, 996800, 1112500, 1120000, 1139200, 1246000, 1400000, 1424000, 1557500, 1594880, 1600000, 1780000, 1946875, 1993600, 2225000, 2240000, 2492000, 2800000, 2848000, 3115000, 3560000, 3893750, 3987200, 4450000, 4984000, 5600000, 5696000, 6230000, 7120000, 7787500, 7974400, 8900000, 9968000, 11200000, 12460000, 14240000, 15575000, 17800000, 19936000, 24920000, 28480000, 31150000, 35600000, 39872000, 49840000, 62300000, 71200000, 99680000, 124600000, 142400000, 199360000, 249200000, 498400000, 996800000]

約数ペア:

[(1, 996800000), (2, 498400000), (4, 249200000), (5, 199360000), (7, 142400000), (8, 124600000), (10, 99680000), (14, 71200000), (16, 62300000), (20, 49840000), (25, 39872000), (28, 35600000), (32, 31150000), (35, 28480000), (40, 24920000), (50, 19936000), (56, 17800000), (64, 15575000), (70, 14240000), (80, 12460000), (89, 11200000), (100, 9968000), (112, 8900000), (125, 7974400), (128, 7787500), (140, 7120000), (160, 6230000), (175, 5696000), (178, 5600000), (200, 4984000), (224, 4450000), (250, 3987200), (256, 3893750), (280, 3560000), (320, 3115000), (350, 2848000), (356, 2800000), (400, 2492000), (445, 2240000), (448, 2225000), (500, 1993600), (512, 1946875), (560, 1780000), (623, 1600000), (625, 1594880), (640, 1557500), (700, 1424000), (712, 1400000), (800, 1246000), (875, 1139200), (890, 1120000), (896, 1112500), (1000, 996800), (1120, 890000), (1246, 800000), (1250, 797440), (1280, 778750), (1400, 712000), (1424, 700000), (1600, 623000), (1750, 569600), (1780, 560000), (1792, 556250), (2000, 498400), (2225, 448000), (2240, 445000), (2492, 400000), (2500, 398720), (2560, 389375), (2800, 356000), (2848, 350000), (3115, 320000), (3125, 318976), (3200, 311500), (3500, 284800), (3560, 280000), (3584, 278125), (4000, 249200), (4375, 227840), (4450, 224000), (4480, 222500), (4984, 200000), (5000, 199360), (5600, 178000), (5696, 175000), (6230, 160000), (6250, 159488), (6400, 155750), (7000, 142400), (7120, 140000), (8000, 124600), (8750, 113920), (8900, 112000), (8960, 111250), (9968, 100000), (10000, 99680), (11125, 89600), (11200, 89000), (11392, 87500), (12460, 80000), (12500, 79744), (12800, 77875), (14000, 71200), (14240, 70000), (15575, 64000), (16000, 62300), (17500, 56960), (17800, 56000), (17920, 55625), (19936, 50000), (20000, 49840), (21875, 45568), (22250, 44800), (22400, 44500), (22784, 43750), (24920, 40000), (25000, 39872), (28000, 35600), (28480, 35000), (31150, 32000)]