712820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 1549800

約数和(自身を除く): 836980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1229, 2458, 4916, 6145, 12290, 24580, 35641, 71282, 142564, 178205, 356410, 712820]

約数ペア:

[(1, 712820), (2, 356410), (4, 178205), (5, 142564), (10, 71282), (20, 35641), (29, 24580), (58, 12290), (116, 6145), (145, 4916), (290, 2458), (580, 1229)]