30157225

素因数分解:

$5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 42943680

約数和(自身を除く): 12786455

約数列:

[1, 5, 7, 25, 35, 175, 389, 443, 1945, 2215, 2723, 3101, 9725, 11075, 13615, 15505, 68075, 77525, 172327, 861635, 1206289, 4308175, 6031445, 30157225]

約数ペア:

[(1, 30157225), (5, 6031445), (7, 4308175), (25, 1206289), (35, 861635), (175, 172327), (389, 77525), (443, 68075), (1945, 15505), (2215, 13615), (2723, 11075), (3101, 9725)]