28892860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84979}}^1$

素因数の和:85005

約数の個数: 24

約数和(自身を含む): 64244880

約数和(自身を除く): 35352020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84979, 169958, 339916, 424895, 849790, 1444643, 1699580, 2889286, 5778572, 7223215, 14446430, 28892860]

約数ペア:

[(1, 28892860), (2, 14446430), (4, 7223215), (5, 5778572), (10, 2889286), (17, 1699580), (20, 1444643), (34, 849790), (68, 424895), (85, 339916), (170, 169958), (340, 84979)]