214940740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1535291}}^1$

素因数の和:1535307

約数の個数: 24

約数和(自身を含む): 515858112

約数和(自身を除く): 300917372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1535291, 3070582, 6141164, 7676455, 10747037, 15352910, 21494074, 30705820, 42988148, 53735185, 107470370, 214940740]

約数ペア:

[(1, 214940740), (2, 107470370), (4, 53735185), (5, 42988148), (7, 30705820), (10, 21494074), (14, 15352910), (20, 10747037), (28, 7676455), (35, 6141164), (70, 3070582), (140, 1535291)]