12440780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 28746144

約数和(自身を除く): 16305364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 293, 386, 586, 772, 965, 1172, 1465, 1930, 2123, 2930, 3223, 3860, 4246, 5860, 6446, 8492, 10615, 12892, 16115, 21230, 32230, 42460, 56549, 64460, 113098, 226196, 282745, 565490, 622039, 1130980, 1244078, 2488156, 3110195, 6220390, 12440780]

約数ペア:

[(1, 12440780), (2, 6220390), (4, 3110195), (5, 2488156), (10, 1244078), (11, 1130980), (20, 622039), (22, 565490), (44, 282745), (55, 226196), (110, 113098), (193, 64460), (220, 56549), (293, 42460), (386, 32230), (586, 21230), (772, 16115), (965, 12892), (1172, 10615), (1465, 8492), (1930, 6446), (2123, 5860), (2930, 4246), (3223, 3860)]