28367500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1621}}^1$

素因数の和:1652

約数の個数: 60

約数和(自身を含む): 70939792

約数和(自身を除く): 42572292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1621, 1750, 2500, 3242, 3500, 4375, 6484, 8105, 8750, 11347, 16210, 17500, 22694, 32420, 40525, 45388, 56735, 81050, 113470, 162100, 202625, 226940, 283675, 405250, 567350, 810500, 1013125, 1134700, 1418375, 2026250, 2836750, 4052500, 5673500, 7091875, 14183750, 28367500]

約数ペア:

[(1, 28367500), (2, 14183750), (4, 7091875), (5, 5673500), (7, 4052500), (10, 2836750), (14, 2026250), (20, 1418375), (25, 1134700), (28, 1013125), (35, 810500), (50, 567350), (70, 405250), (100, 283675), (125, 226940), (140, 202625), (175, 162100), (250, 113470), (350, 81050), (500, 56735), (625, 45388), (700, 40525), (875, 32420), (1250, 22694), (1621, 17500), (1750, 16210), (2500, 11347), (3242, 8750), (3500, 8105), (4375, 6484)]