712091140

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{16661}}^1$

素因数の和:18807

約数の個数: 24

約数和(自身を含む): 1496180952

約数和(自身を除く): 784089812

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 8548, 10685, 16661, 21370, 33322, 42740, 66644, 83305, 166610, 333220, 35604557, 71209114, 142418228, 178022785, 356045570, 712091140]

約数ペア:

[(1, 712091140), (2, 356045570), (4, 178022785), (5, 142418228), (10, 71209114), (20, 35604557), (2137, 333220), (4274, 166610), (8548, 83305), (10685, 66644), (16661, 42740), (21370, 33322)]