272740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 617400

約数和(自身を除く): 344660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1049, 2098, 4196, 5245, 10490, 13637, 20980, 27274, 54548, 68185, 136370, 272740]

約数ペア:

[(1, 272740), (2, 136370), (4, 68185), (5, 54548), (10, 27274), (13, 20980), (20, 13637), (26, 10490), (52, 5245), (65, 4196), (130, 2098), (260, 1049)]