268646980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2777}}^1$

素因数の和:3484

約数の個数: 48

約数和(自身を含む): 645918336

約数和(自身を除く): 377271356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 1382, 2764, 2777, 3455, 4837, 5554, 6910, 9674, 11108, 13820, 13885, 19348, 19439, 24185, 27770, 38878, 48370, 55540, 77756, 96740, 97195, 194390, 388780, 1918907, 3837814, 7675628, 9594535, 13432349, 19189070, 26864698, 38378140, 53729396, 67161745, 134323490, 268646980]

約数ペア:

[(1, 268646980), (2, 134323490), (4, 67161745), (5, 53729396), (7, 38378140), (10, 26864698), (14, 19189070), (20, 13432349), (28, 9594535), (35, 7675628), (70, 3837814), (140, 1918907), (691, 388780), (1382, 194390), (2764, 97195), (2777, 96740), (3455, 77756), (4837, 55540), (5554, 48370), (6910, 38878), (9674, 27770), (11108, 24185), (13820, 19439), (13885, 19348)]