8722000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 120

約数和(自身を含む): 24808680

約数和(自身を除く): 16086680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 89, 98, 100, 112, 125, 140, 175, 178, 196, 200, 245, 250, 280, 350, 356, 392, 400, 445, 490, 500, 560, 623, 700, 712, 784, 875, 890, 980, 1000, 1225, 1246, 1400, 1424, 1750, 1780, 1960, 2000, 2225, 2450, 2492, 2800, 3115, 3500, 3560, 3920, 4361, 4450, 4900, 4984, 6125, 6230, 7000, 7120, 8722, 8900, 9800, 9968, 11125, 12250, 12460, 14000, 15575, 17444, 17800, 19600, 21805, 22250, 24500, 24920, 31150, 34888, 35600, 43610, 44500, 49000, 49840, 62300, 69776, 77875, 87220, 89000, 98000, 109025, 124600, 155750, 174440, 178000, 218050, 249200, 311500, 348880, 436100, 545125, 623000, 872200, 1090250, 1246000, 1744400, 2180500, 4361000, 8722000]

約数ペア:

[(1, 8722000), (2, 4361000), (4, 2180500), (5, 1744400), (7, 1246000), (8, 1090250), (10, 872200), (14, 623000), (16, 545125), (20, 436100), (25, 348880), (28, 311500), (35, 249200), (40, 218050), (49, 178000), (50, 174440), (56, 155750), (70, 124600), (80, 109025), (89, 98000), (98, 89000), (100, 87220), (112, 77875), (125, 69776), (140, 62300), (175, 49840), (178, 49000), (196, 44500), (200, 43610), (245, 35600), (250, 34888), (280, 31150), (350, 24920), (356, 24500), (392, 22250), (400, 21805), (445, 19600), (490, 17800), (500, 17444), (560, 15575), (623, 14000), (700, 12460), (712, 12250), (784, 11125), (875, 9968), (890, 9800), (980, 8900), (1000, 8722), (1225, 7120), (1246, 7000), (1400, 6230), (1424, 6125), (1750, 4984), (1780, 4900), (1960, 4450), (2000, 4361), (2225, 3920), (2450, 3560), (2492, 3500), (2800, 3115)]