2908290025

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{4513}}^1$

素因数の和:4845

約数の個数: 24

約数和(自身を含む): 3652277400

約数和(自身を除く): 743987375

約数列:

[1, 5, 25, 149, 173, 745, 865, 3725, 4325, 4513, 22565, 25777, 112825, 128885, 644425, 672437, 780749, 3362185, 3903745, 16810925, 19518725, 116331601, 581658005, 2908290025]

約数ペア:

[(1, 2908290025), (5, 581658005), (25, 116331601), (149, 19518725), (173, 16810925), (745, 3903745), (865, 3362185), (3725, 780749), (4325, 672437), (4513, 644425), (22565, 128885), (25777, 112825)]