85051820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1721}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 204821568

約数和(自身を除く): 119769748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1721, 1765, 2471, 3442, 3530, 4942, 6884, 7060, 8605, 9884, 12047, 12355, 17210, 24094, 24710, 34420, 48188, 49420, 60235, 120470, 240940, 607513, 1215026, 2430052, 3037565, 4252591, 6075130, 8505182, 12150260, 17010364, 21262955, 42525910, 85051820]

約数ペア:

[(1, 85051820), (2, 42525910), (4, 21262955), (5, 17010364), (7, 12150260), (10, 8505182), (14, 6075130), (20, 4252591), (28, 3037565), (35, 2430052), (70, 1215026), (140, 607513), (353, 240940), (706, 120470), (1412, 60235), (1721, 49420), (1765, 48188), (2471, 34420), (3442, 24710), (3530, 24094), (4942, 17210), (6884, 12355), (7060, 12047), (8605, 9884)]