54351080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 140400000

約数和(自身を除く): 86048920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 499, 778, 998, 1556, 1945, 1996, 2495, 2723, 3112, 3493, 3890, 3992, 4990, 5446, 6986, 7780, 9980, 10892, 13615, 13972, 15560, 17465, 19960, 21784, 27230, 27944, 34930, 54460, 69860, 108920, 139720, 194111, 388222, 776444, 970555, 1358777, 1552888, 1941110, 2717554, 3882220, 5435108, 6793885, 7764440, 10870216, 13587770, 27175540, 54351080]

約数ペア:

[(1, 54351080), (2, 27175540), (4, 13587770), (5, 10870216), (7, 7764440), (8, 6793885), (10, 5435108), (14, 3882220), (20, 2717554), (28, 1941110), (35, 1552888), (40, 1358777), (56, 970555), (70, 776444), (140, 388222), (280, 194111), (389, 139720), (499, 108920), (778, 69860), (998, 54460), (1556, 34930), (1945, 27944), (1996, 27230), (2495, 21784), (2723, 19960), (3112, 17465), (3493, 15560), (3890, 13972), (3992, 13615), (4990, 10892), (5446, 9980), (6986, 7780)]