30691090

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2381}}^1$

素因数の和:3677

約数の個数: 16

約数和(自身を含む): 55310040

約数和(自身を除く): 24618950

約数列:

[1, 2, 5, 10, 1289, 2381, 2578, 4762, 6445, 11905, 12890, 23810, 3069109, 6138218, 15345545, 30691090]

約数ペア:

[(1, 30691090), (2, 15345545), (5, 6138218), (10, 3069109), (1289, 23810), (2381, 12890), (2578, 11905), (4762, 6445)]