121021460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{864439}}^1$

素因数の和:864455

約数の個数: 24

約数和(自身を含む): 290451840

約数和(自身を除く): 169430380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 864439, 1728878, 3457756, 4322195, 6051073, 8644390, 12102146, 17288780, 24204292, 30255365, 60510730, 121021460]

約数ペア:

[(1, 121021460), (2, 60510730), (4, 30255365), (5, 24204292), (7, 17288780), (10, 12102146), (14, 8644390), (20, 6051073), (28, 4322195), (35, 3457756), (70, 1728878), (140, 864439)]