7214140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1831}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 15234912

約数和(自身を除く): 8020772

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1831, 1970, 3662, 3940, 7324, 9155, 18310, 36620, 360707, 721414, 1442828, 1803535, 3607070, 7214140]

約数ペア:

[(1, 7214140), (2, 3607070), (4, 1803535), (5, 1442828), (10, 721414), (20, 360707), (197, 36620), (394, 18310), (788, 9155), (985, 7324), (1831, 3940), (1970, 3662)]