123470140

素因数分解:

$2^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{2897}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 259498512

約数和(自身を除く): 136028372

約数列:

[1, 2, 4, 5, 10, 20, 2131, 2897, 4262, 5794, 8524, 10655, 11588, 14485, 21310, 28970, 42620, 57940, 6173507, 12347014, 24694028, 30867535, 61735070, 123470140]

約数ペア:

[(1, 123470140), (2, 61735070), (4, 30867535), (5, 24694028), (10, 12347014), (20, 6173507), (2131, 57940), (2897, 42620), (4262, 28970), (5794, 21310), (8524, 14485), (10655, 11588)]