69642440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{248723}}^1$

素因数の和:248741

約数の個数: 32

約数和(自身を含む): 179081280

約数和(自身を除く): 109438840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 248723, 497446, 994892, 1243615, 1741061, 1989784, 2487230, 3482122, 4974460, 6964244, 8705305, 9948920, 13928488, 17410610, 34821220, 69642440]

約数ペア:

[(1, 69642440), (2, 34821220), (4, 17410610), (5, 13928488), (7, 9948920), (8, 8705305), (10, 6964244), (14, 4974460), (20, 3482122), (28, 2487230), (35, 1989784), (40, 1741061), (56, 1243615), (70, 994892), (140, 497446), (280, 248723)]