199348540

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{10459}}^1$

素因数の和:11421

約数の個数: 24

約数和(自身を含む): 419111280

約数和(自身を除く): 219762740

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4765, 9530, 10459, 19060, 20918, 41836, 52295, 104590, 209180, 9967427, 19934854, 39869708, 49837135, 99674270, 199348540]

約数ペア:

[(1, 199348540), (2, 99674270), (4, 49837135), (5, 39869708), (10, 19934854), (20, 9967427), (953, 209180), (1906, 104590), (3812, 52295), (4765, 41836), (9530, 20918), (10459, 19060)]