493278020

素因数分解:

$2^2\times 5^1\times {\mathrm{3923}}^1\times {\mathrm{6287}}^1$

素因数の和:10219

約数の個数: 24

約数和(自身を含む): 1036312704

約数和(自身を除く): 543034684

約数列:

[1, 2, 4, 5, 10, 20, 3923, 6287, 7846, 12574, 15692, 19615, 25148, 31435, 39230, 62870, 78460, 125740, 24663901, 49327802, 98655604, 123319505, 246639010, 493278020]

約数ペア:

[(1, 493278020), (2, 246639010), (4, 123319505), (5, 98655604), (10, 49327802), (20, 24663901), (3923, 125740), (6287, 78460), (7846, 62870), (12574, 39230), (15692, 31435), (19615, 25148)]