127164520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{454159}}^1$

素因数の和:454177

約数の個数: 32

約数和(自身を含む): 326995200

約数和(自身を除く): 199830680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 454159, 908318, 1816636, 2270795, 3179113, 3633272, 4541590, 6358226, 9083180, 12716452, 15895565, 18166360, 25432904, 31791130, 63582260, 127164520]

約数ペア:

[(1, 127164520), (2, 63582260), (4, 31791130), (5, 25432904), (7, 18166360), (8, 15895565), (10, 12716452), (14, 9083180), (20, 6358226), (28, 4541590), (35, 3633272), (40, 3179113), (56, 2270795), (70, 1816636), (140, 908318), (280, 454159)]