8563870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 19077120

約数和(自身を除く): 10513250

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 137, 190, 235, 266, 274, 329, 470, 658, 665, 685, 893, 959, 1330, 1370, 1645, 1786, 1918, 2603, 3290, 4465, 4795, 5206, 6251, 6439, 8930, 9590, 12502, 12878, 13015, 18221, 26030, 31255, 32195, 36442, 45073, 62510, 64390, 90146, 91105, 122341, 182210, 225365, 244682, 450730, 611705, 856387, 1223410, 1712774, 4281935, 8563870]

約数ペア:

[(1, 8563870), (2, 4281935), (5, 1712774), (7, 1223410), (10, 856387), (14, 611705), (19, 450730), (35, 244682), (38, 225365), (47, 182210), (70, 122341), (94, 91105), (95, 90146), (133, 64390), (137, 62510), (190, 45073), (235, 36442), (266, 32195), (274, 31255), (329, 26030), (470, 18221), (658, 13015), (665, 12878), (685, 12502), (893, 9590), (959, 8930), (1330, 6439), (1370, 6251), (1645, 5206), (1786, 4795), (1918, 4465), (2603, 3290)]