2505140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 5866560

約数和(自身を除く): 3361420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 193, 220, 236, 295, 386, 590, 649, 772, 965, 1180, 1298, 1930, 2123, 2596, 3245, 3860, 4246, 6490, 8492, 10615, 11387, 12980, 21230, 22774, 42460, 45548, 56935, 113870, 125257, 227740, 250514, 501028, 626285, 1252570, 2505140]

約数ペア:

[(1, 2505140), (2, 1252570), (4, 626285), (5, 501028), (10, 250514), (11, 227740), (20, 125257), (22, 113870), (44, 56935), (55, 45548), (59, 42460), (110, 22774), (118, 21230), (193, 12980), (220, 11387), (236, 10615), (295, 8492), (386, 6490), (590, 4246), (649, 3860), (772, 3245), (965, 2596), (1180, 2123), (1298, 1930)]