156154040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{557693}}^1$

素因数の和:557711

約数の個数: 32

約数和(自身を含む): 401539680

約数和(自身を除く): 245385640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 557693, 1115386, 2230772, 2788465, 3903851, 4461544, 5576930, 7807702, 11153860, 15615404, 19519255, 22307720, 31230808, 39038510, 78077020, 156154040]

約数ペア:

[(1, 156154040), (2, 78077020), (4, 39038510), (5, 31230808), (7, 22307720), (8, 19519255), (10, 15615404), (14, 11153860), (20, 7807702), (28, 5576930), (35, 4461544), (40, 3903851), (56, 2788465), (70, 2230772), (140, 1115386), (280, 557693)]