145172020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1036943}}^1$

素因数の和:1036959

約数の個数: 24

約数和(自身を含む): 348413184

約数和(自身を除く): 203241164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1036943, 2073886, 4147772, 5184715, 7258601, 10369430, 14517202, 20738860, 29034404, 36293005, 72586010, 145172020]

約数ペア:

[(1, 145172020), (2, 72586010), (4, 36293005), (5, 29034404), (7, 20738860), (10, 14517202), (14, 10369430), (20, 7258601), (28, 5184715), (35, 4147772), (70, 2073886), (140, 1036943)]