30390815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3929}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 47537280

約数和(自身を除く): 17146465

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 3929, 7735, 19645, 27503, 51077, 66793, 137515, 255385, 333965, 357539, 467551, 868309, 1787695, 2337755, 4341545, 6078163, 30390815]

約数ペア:

[(1, 30390815), (5, 6078163), (7, 4341545), (13, 2337755), (17, 1787695), (35, 868309), (65, 467551), (85, 357539), (91, 333965), (119, 255385), (221, 137515), (455, 66793), (595, 51077), (1105, 27503), (1547, 19645), (3929, 7735)]