217897060

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{23531}}^1$

素因数の和:24003

約数の個数: 24

約数和(自身を含む): 458591616

約数和(自身を除く): 240694556

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2315, 4630, 9260, 23531, 47062, 94124, 117655, 235310, 470620, 10894853, 21789706, 43579412, 54474265, 108948530, 217897060]

約数ペア:

[(1, 217897060), (2, 108948530), (4, 54474265), (5, 43579412), (10, 21789706), (20, 10894853), (463, 470620), (926, 235310), (1852, 117655), (2315, 94124), (4630, 47062), (9260, 23531)]