199449310

素因数分解:

$2^1\times 5^1\times {\mathrm{4451}}^1\times {\mathrm{4481}}^1$

素因数の和:8939

約数の個数: 16

約数和(自身を含む): 359169552

約数和(自身を除く): 159720242

約数列:

[1, 2, 5, 10, 4451, 4481, 8902, 8962, 22255, 22405, 44510, 44810, 19944931, 39889862, 99724655, 199449310]

約数ペア:

[(1, 199449310), (2, 99724655), (5, 39889862), (10, 19944931), (4451, 44810), (4481, 44510), (8902, 22405), (8962, 22255)]