7957880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 20744640

約数和(自身を除く): 12786760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 293, 388, 485, 586, 679, 776, 970, 1172, 1358, 1465, 1940, 2051, 2344, 2716, 2930, 3395, 3880, 4102, 5432, 5860, 6790, 8204, 10255, 11720, 13580, 16408, 20510, 27160, 28421, 41020, 56842, 82040, 113684, 142105, 198947, 227368, 284210, 397894, 568420, 795788, 994735, 1136840, 1591576, 1989470, 3978940, 7957880]

約数ペア:

[(1, 7957880), (2, 3978940), (4, 1989470), (5, 1591576), (7, 1136840), (8, 994735), (10, 795788), (14, 568420), (20, 397894), (28, 284210), (35, 227368), (40, 198947), (56, 142105), (70, 113684), (97, 82040), (140, 56842), (194, 41020), (280, 28421), (293, 27160), (388, 20510), (485, 16408), (586, 13580), (679, 11720), (776, 10255), (970, 8204), (1172, 6790), (1358, 5860), (1465, 5432), (1940, 4102), (2051, 3880), (2344, 3395), (2716, 2930)]