156749530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{319897}}^1$

素因数の和:319918

約数の個数: 24

約数和(自身を含む): 328215348

約数和(自身を除く): 171465818

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 319897, 639794, 1599485, 2239279, 3198970, 4478558, 11196395, 15674953, 22392790, 31349906, 78374765, 156749530]

約数ペア:

[(1, 156749530), (2, 78374765), (5, 31349906), (7, 22392790), (10, 15674953), (14, 11196395), (35, 4478558), (49, 3198970), (70, 2239279), (98, 1599485), (245, 639794), (490, 319897)]