209938910

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{83641}}^1$

素因数の和:83899

約数の個数: 16

約数和(自身を含む): 379400112

約数和(自身を除く): 169461202

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 83641, 167282, 418205, 836410, 20993891, 41987782, 104969455, 209938910]

約数ペア:

[(1, 209938910), (2, 104969455), (5, 41987782), (10, 20993891), (251, 836410), (502, 418205), (1255, 167282), (2510, 83641)]