1280600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 3143400

約数和(自身を除く): 1862800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 337, 380, 475, 674, 760, 950, 1348, 1685, 1900, 2696, 3370, 3800, 6403, 6740, 8425, 12806, 13480, 16850, 25612, 32015, 33700, 51224, 64030, 67400, 128060, 160075, 256120, 320150, 640300, 1280600]

約数ペア:

[(1, 1280600), (2, 640300), (4, 320150), (5, 256120), (8, 160075), (10, 128060), (19, 67400), (20, 64030), (25, 51224), (38, 33700), (40, 32015), (50, 25612), (76, 16850), (95, 13480), (100, 12806), (152, 8425), (190, 6740), (200, 6403), (337, 3800), (380, 3370), (475, 2696), (674, 1900), (760, 1685), (950, 1348)]