78443090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 156423960

約数和(自身を除く): 77980870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 241, 242, 269, 482, 538, 605, 1205, 1210, 1345, 2410, 2651, 2690, 2959, 5302, 5918, 13255, 14795, 26510, 29161, 29590, 32549, 58322, 64829, 65098, 129658, 145805, 162745, 291610, 324145, 325490, 648290, 713119, 1426238, 3565595, 7131190, 7844309, 15688618, 39221545, 78443090]

約数ペア:

[(1, 78443090), (2, 39221545), (5, 15688618), (10, 7844309), (11, 7131190), (22, 3565595), (55, 1426238), (110, 713119), (121, 648290), (241, 325490), (242, 324145), (269, 291610), (482, 162745), (538, 145805), (605, 129658), (1205, 65098), (1210, 64829), (1345, 58322), (2410, 32549), (2651, 29590), (2690, 29161), (2959, 26510), (5302, 14795), (5918, 13255)]