28276180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74411}}^1$

素因数の和:74439

約数の個数: 24

約数和(自身を含む): 62506080

約数和(自身を除く): 34229900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74411, 148822, 297644, 372055, 744110, 1413809, 1488220, 2827618, 5655236, 7069045, 14138090, 28276180]

約数ペア:

[(1, 28276180), (2, 14138090), (4, 7069045), (5, 5655236), (10, 2827618), (19, 1488220), (20, 1413809), (38, 744110), (76, 372055), (95, 297644), (190, 148822), (380, 74411)]