85190840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304253}}^1$

素因数の和:304271

約数の個数: 32

約数和(自身を含む): 219062880

約数和(自身を除く): 133872040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304253, 608506, 1217012, 1521265, 2129771, 2434024, 3042530, 4259542, 6085060, 8519084, 10648855, 12170120, 17038168, 21297710, 42595420, 85190840]

約数ペア:

[(1, 85190840), (2, 42595420), (4, 21297710), (5, 17038168), (7, 12170120), (8, 10648855), (10, 8519084), (14, 6085060), (20, 4259542), (28, 3042530), (35, 2434024), (40, 2129771), (56, 1521265), (70, 1217012), (140, 608506), (280, 304253)]