11998000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{857}}^1$

素因数の和:887

約数の個数: 80

約数和(自身を含む): 33194304

約数和(自身を除く): 21196304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 857, 875, 1000, 1400, 1714, 1750, 2000, 2800, 3428, 3500, 4285, 5999, 6856, 7000, 8570, 11998, 13712, 14000, 17140, 21425, 23996, 29995, 34280, 42850, 47992, 59990, 68560, 85700, 95984, 107125, 119980, 149975, 171400, 214250, 239960, 299950, 342800, 428500, 479920, 599900, 749875, 857000, 1199800, 1499750, 1714000, 2399600, 2999500, 5999000, 11998000]

約数ペア:

[(1, 11998000), (2, 5999000), (4, 2999500), (5, 2399600), (7, 1714000), (8, 1499750), (10, 1199800), (14, 857000), (16, 749875), (20, 599900), (25, 479920), (28, 428500), (35, 342800), (40, 299950), (50, 239960), (56, 214250), (70, 171400), (80, 149975), (100, 119980), (112, 107125), (125, 95984), (140, 85700), (175, 68560), (200, 59990), (250, 47992), (280, 42850), (350, 34280), (400, 29995), (500, 23996), (560, 21425), (700, 17140), (857, 14000), (875, 13712), (1000, 11998), (1400, 8570), (1714, 7000), (1750, 6856), (2000, 5999), (2800, 4285), (3428, 3500)]