12704600

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 29815800

約数和(自身を除く): 17111200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 457, 556, 695, 914, 1112, 1390, 1828, 2285, 2780, 3475, 3656, 4570, 5560, 6950, 9140, 11425, 13900, 18280, 22850, 27800, 45700, 63523, 91400, 127046, 254092, 317615, 508184, 635230, 1270460, 1588075, 2540920, 3176150, 6352300, 12704600]

約数ペア:

[(1, 12704600), (2, 6352300), (4, 3176150), (5, 2540920), (8, 1588075), (10, 1270460), (20, 635230), (25, 508184), (40, 317615), (50, 254092), (100, 127046), (139, 91400), (200, 63523), (278, 45700), (457, 27800), (556, 22850), (695, 18280), (914, 13900), (1112, 11425), (1390, 9140), (1828, 6950), (2285, 5560), (2780, 4570), (3475, 3656)]