174448420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 380274048

約数和(自身を除く): 205825628

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1420, 2857, 3053, 5714, 6106, 11428, 12212, 14285, 15265, 28570, 30530, 57140, 61060, 122851, 202847, 245702, 405694, 491404, 614255, 811388, 1014235, 1228510, 2028470, 2457020, 4056940, 8722421, 17444842, 34889684, 43612105, 87224210, 174448420]

約数ペア:

[(1, 174448420), (2, 87224210), (4, 43612105), (5, 34889684), (10, 17444842), (20, 8722421), (43, 4056940), (71, 2457020), (86, 2028470), (142, 1228510), (172, 1014235), (215, 811388), (284, 614255), (355, 491404), (430, 405694), (710, 245702), (860, 202847), (1420, 122851), (2857, 61060), (3053, 57140), (5714, 30530), (6106, 28570), (11428, 15265), (12212, 14285)]