210392120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{122321}}^1$

素因数の和:122375

約数の個数: 32

約数和(自身を含む): 484395120

約数和(自身を除く): 274003000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 122321, 244642, 489284, 611605, 978568, 1223210, 2446420, 4892840, 5259803, 10519606, 21039212, 26299015, 42078424, 52598030, 105196060, 210392120]

約数ペア:

[(1, 210392120), (2, 105196060), (4, 52598030), (5, 42078424), (8, 26299015), (10, 21039212), (20, 10519606), (40, 5259803), (43, 4892840), (86, 2446420), (172, 1223210), (215, 978568), (344, 611605), (430, 489284), (860, 244642), (1720, 122321)]