12439000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{1777}}^1$

素因数の和:1805

約数の個数: 64

約数和(自身を含む): 33284160

約数和(自身を除く): 20845160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 1777, 3500, 3554, 7000, 7108, 8885, 12439, 14216, 17770, 24878, 35540, 44425, 49756, 62195, 71080, 88850, 99512, 124390, 177700, 222125, 248780, 310975, 355400, 444250, 497560, 621950, 888500, 1243900, 1554875, 1777000, 2487800, 3109750, 6219500, 12439000]

約数ペア:

[(1, 12439000), (2, 6219500), (4, 3109750), (5, 2487800), (7, 1777000), (8, 1554875), (10, 1243900), (14, 888500), (20, 621950), (25, 497560), (28, 444250), (35, 355400), (40, 310975), (50, 248780), (56, 222125), (70, 177700), (100, 124390), (125, 99512), (140, 88850), (175, 71080), (200, 62195), (250, 49756), (280, 44425), (350, 35540), (500, 24878), (700, 17770), (875, 14216), (1000, 12439), (1400, 8885), (1750, 7108), (1777, 7000), (3500, 3554)]