13142780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13411}}^1$

素因数の和:13434

約数の個数: 36

約数和(自身を含む): 32108328

約数和(自身を除く): 18965548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13411, 26822, 53644, 67055, 93877, 134110, 187754, 268220, 375508, 469385, 657139, 938770, 1314278, 1877540, 2628556, 3285695, 6571390, 13142780]

約数ペア:

[(1, 13142780), (2, 6571390), (4, 3285695), (5, 2628556), (7, 1877540), (10, 1314278), (14, 938770), (20, 657139), (28, 469385), (35, 375508), (49, 268220), (70, 187754), (98, 134110), (140, 93877), (196, 67055), (245, 53644), (490, 26822), (980, 13411)]