409828225

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 514755000

約数和(自身を除く): 104926775

約数列:

[1, 5, 25, 149, 269, 409, 745, 1345, 2045, 3725, 6725, 10225, 40081, 60941, 110021, 200405, 304705, 550105, 1002025, 1523525, 2750525, 16393129, 81965645, 409828225]

約数ペア:

[(1, 409828225), (5, 81965645), (25, 16393129), (149, 2750525), (269, 1523525), (409, 1002025), (745, 550105), (1345, 304705), (2045, 200405), (3725, 110021), (6725, 60941), (10225, 40081)]