258922370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{528413}}^1$

素因数の和:528434

約数の個数: 24

約数和(自身を含む): 542152764

約数和(自身を除く): 283230394

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 528413, 1056826, 2642065, 3698891, 5284130, 7397782, 18494455, 25892237, 36988910, 51784474, 129461185, 258922370]

約数ペア:

[(1, 258922370), (2, 129461185), (5, 51784474), (7, 36988910), (10, 25892237), (14, 18494455), (35, 7397782), (49, 5284130), (70, 3698891), (98, 2642065), (245, 1056826), (490, 528413)]