6664420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 16144128

約数和(自身を除く): 9479708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 263, 362, 526, 724, 905, 1052, 1267, 1315, 1810, 1841, 2534, 2630, 3620, 3682, 5068, 5260, 6335, 7364, 9205, 12670, 18410, 25340, 36820, 47603, 95206, 190412, 238015, 333221, 476030, 666442, 952060, 1332884, 1666105, 3332210, 6664420]

約数ペア:

[(1, 6664420), (2, 3332210), (4, 1666105), (5, 1332884), (7, 952060), (10, 666442), (14, 476030), (20, 333221), (28, 238015), (35, 190412), (70, 95206), (140, 47603), (181, 36820), (263, 25340), (362, 18410), (526, 12670), (724, 9205), (905, 7364), (1052, 6335), (1267, 5260), (1315, 5068), (1810, 3682), (1841, 3620), (2534, 2630)]