258761780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{446141}}^1$

素因数の和:446179

約数の個数: 24

約数和(自身を含む): 562138920

約数和(自身を除く): 303377140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 446141, 892282, 1784564, 2230705, 4461410, 8922820, 12938089, 25876178, 51752356, 64690445, 129380890, 258761780]

約数ペア:

[(1, 258761780), (2, 129380890), (4, 64690445), (5, 51752356), (10, 25876178), (20, 12938089), (29, 8922820), (58, 4461410), (116, 2230705), (145, 1784564), (290, 892282), (580, 446141)]