171594040

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{19237}}^1$

素因数の和:19471

約数の個数: 32

約数和(自身を含む): 387838080

約数和(自身を除く): 216244040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 19237, 38474, 76948, 96185, 153896, 192370, 384740, 769480, 4289851, 8579702, 17159404, 21449255, 34318808, 42898510, 85797020, 171594040]

約数ペア:

[(1, 171594040), (2, 85797020), (4, 42898510), (5, 34318808), (8, 21449255), (10, 17159404), (20, 8579702), (40, 4289851), (223, 769480), (446, 384740), (892, 192370), (1115, 153896), (1784, 96185), (2230, 76948), (4460, 38474), (8920, 19237)]