2787070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 5896800

約数和(自身を除く): 3109730

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1949, 3898, 9745, 19490, 21439, 25337, 42878, 50674, 107195, 126685, 214390, 253370, 278707, 557414, 1393535, 2787070]

約数ペア:

[(1, 2787070), (2, 1393535), (5, 557414), (10, 278707), (11, 253370), (13, 214390), (22, 126685), (26, 107195), (55, 50674), (65, 42878), (110, 25337), (130, 21439), (143, 19490), (286, 9745), (715, 3898), (1430, 1949)]