195220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 421344

約数和(自身を除く): 226124

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 227, 430, 454, 860, 908, 1135, 2270, 4540, 9761, 19522, 39044, 48805, 97610, 195220]

約数ペア:

[(1, 195220), (2, 97610), (4, 48805), (5, 39044), (10, 19522), (20, 9761), (43, 4540), (86, 2270), (172, 1135), (215, 908), (227, 860), (430, 454)]