156994460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121389}}^1$

素因数の和:1121405

約数の個数: 24

約数和(自身を含む): 376787040

約数和(自身を除く): 219792580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121389, 2242778, 4485556, 5606945, 7849723, 11213890, 15699446, 22427780, 31398892, 39248615, 78497230, 156994460]

約数ペア:

[(1, 156994460), (2, 78497230), (4, 39248615), (5, 31398892), (7, 22427780), (10, 15699446), (14, 11213890), (20, 7849723), (28, 5606945), (35, 4485556), (70, 2242778), (140, 1121389)]