149352020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{33487}}^1$

素因数の和:33719

約数の個数: 24

約数和(自身を含む): 315055104

約数和(自身を除く): 165703084

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 33487, 66974, 133948, 167435, 334870, 669740, 7467601, 14935202, 29870404, 37338005, 74676010, 149352020]

約数ペア:

[(1, 149352020), (2, 74676010), (4, 37338005), (5, 29870404), (10, 14935202), (20, 7467601), (223, 669740), (446, 334870), (892, 167435), (1115, 133948), (2230, 66974), (4460, 33487)]