9968000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 28641600

約数和(自身を除く): 18673600

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, 280, 320, 350, 356, 400, 445, 448, 500, 560, 623, 640, 700, 712, 800, 875, 890, 896, 1000, 1120, 1246, 1400, 1424, 1600, 1750, 1780, 2000, 2225, 2240, 2492, 2800, 2848, 3115, 3200, 3500, 3560, 4000, 4450, 4480, 4984, 5600, 5696, 6230, 7000, 7120, 8000, 8900, 9968, 11125, 11200, 11392, 12460, 14000, 14240, 15575, 16000, 17800, 19936, 22250, 22400, 24920, 28000, 28480, 31150, 35600, 39872, 44500, 49840, 56000, 56960, 62300, 71200, 77875, 79744, 89000, 99680, 112000, 124600, 142400, 155750, 178000, 199360, 249200, 284800, 311500, 356000, 398720, 498400, 623000, 712000, 996800, 1246000, 1424000, 1993600, 2492000, 4984000, 9968000]

約数ペア:

[(1, 9968000), (2, 4984000), (4, 2492000), (5, 1993600), (7, 1424000), (8, 1246000), (10, 996800), (14, 712000), (16, 623000), (20, 498400), (25, 398720), (28, 356000), (32, 311500), (35, 284800), (40, 249200), (50, 199360), (56, 178000), (64, 155750), (70, 142400), (80, 124600), (89, 112000), (100, 99680), (112, 89000), (125, 79744), (128, 77875), (140, 71200), (160, 62300), (175, 56960), (178, 56000), (200, 49840), (224, 44500), (250, 39872), (280, 35600), (320, 31150), (350, 28480), (356, 28000), (400, 24920), (445, 22400), (448, 22250), (500, 19936), (560, 17800), (623, 16000), (640, 15575), (700, 14240), (712, 14000), (800, 12460), (875, 11392), (890, 11200), (896, 11125), (1000, 9968), (1120, 8900), (1246, 8000), (1400, 7120), (1424, 7000), (1600, 6230), (1750, 5696), (1780, 5600), (2000, 4984), (2225, 4480), (2240, 4450), (2492, 4000), (2800, 3560), (2848, 3500), (3115, 3200)]