253940290

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{51719}}^1$

素因数の和:52217

約数の個数: 16

約数和(自身を含む): 458032320

約数和(自身を除く): 204092030

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 51719, 103438, 258595, 517190, 25394029, 50788058, 126970145, 253940290]

約数ペア:

[(1, 253940290), (2, 126970145), (5, 50788058), (10, 25394029), (491, 517190), (982, 258595), (2455, 103438), (4910, 51719)]