28709420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49499}}^1$

素因数の和:49537

約数の個数: 24

約数和(自身を含む): 62370000

約数和(自身を除く): 33660580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 49499, 98998, 197996, 247495, 494990, 989980, 1435471, 2870942, 5741884, 7177355, 14354710, 28709420]

約数ペア:

[(1, 28709420), (2, 14354710), (4, 7177355), (5, 5741884), (10, 2870942), (20, 1435471), (29, 989980), (58, 494990), (116, 247495), (145, 197996), (290, 98998), (580, 49499)]