1666420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11903}}^1$

素因数の和:11919

約数の個数: 24

約数和(自身を含む): 3999744

約数和(自身を除く): 2333324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11903, 23806, 47612, 59515, 83321, 119030, 166642, 238060, 333284, 416605, 833210, 1666420]

約数ペア:

[(1, 1666420), (2, 833210), (4, 416605), (5, 333284), (7, 238060), (10, 166642), (14, 119030), (20, 83321), (28, 59515), (35, 47612), (70, 23806), (140, 11903)]