678125060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1\times {\mathrm{1193}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 1444864176

約数和(自身を除く): 766739116

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 293, 388, 485, 586, 970, 1172, 1193, 1465, 1940, 2386, 2930, 4772, 5860, 5965, 11930, 23860, 28421, 56842, 113684, 115721, 142105, 231442, 284210, 349549, 462884, 568420, 578605, 699098, 1157210, 1398196, 1747745, 2314420, 3495490, 6990980, 33906253, 67812506, 135625012, 169531265, 339062530, 678125060]

約数ペア:

[(1, 678125060), (2, 339062530), (4, 169531265), (5, 135625012), (10, 67812506), (20, 33906253), (97, 6990980), (194, 3495490), (293, 2314420), (388, 1747745), (485, 1398196), (586, 1157210), (970, 699098), (1172, 578605), (1193, 568420), (1465, 462884), (1940, 349549), (2386, 284210), (2930, 231442), (4772, 142105), (5860, 115721), (5965, 113684), (11930, 56842), (23860, 28421)]