171388540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199289}}^1$

素因数の和:199341

約数の個数: 24

約数和(自身を含む): 368287920

約数和(自身を除く): 196899380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 199289, 398578, 797156, 996445, 1992890, 3985780, 8569427, 17138854, 34277708, 42847135, 85694270, 171388540]

約数ペア:

[(1, 171388540), (2, 85694270), (4, 42847135), (5, 34277708), (10, 17138854), (20, 8569427), (43, 3985780), (86, 1992890), (172, 996445), (215, 797156), (430, 398578), (860, 199289)]