31150840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111253}}^1$

素因数の和:111271

約数の個数: 32

約数和(自身を含む): 80102880

約数和(自身を除く): 48952040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111253, 222506, 445012, 556265, 778771, 890024, 1112530, 1557542, 2225060, 3115084, 3893855, 4450120, 6230168, 7787710, 15575420, 31150840]

約数ペア:

[(1, 31150840), (2, 15575420), (4, 7787710), (5, 6230168), (7, 4450120), (8, 3893855), (10, 3115084), (14, 2225060), (20, 1557542), (28, 1112530), (35, 890024), (40, 778771), (56, 556265), (70, 445012), (140, 222506), (280, 111253)]