247647580

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{37409}}^1$

素因数の和:37749

約数の個数: 24

約数和(自身を含む): 521645040

約数和(自身を除く): 273997460

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 37409, 74818, 149636, 187045, 374090, 748180, 12382379, 24764758, 49529516, 61911895, 123823790, 247647580]

約数ペア:

[(1, 247647580), (2, 123823790), (4, 61911895), (5, 49529516), (10, 24764758), (20, 12382379), (331, 748180), (662, 374090), (1324, 187045), (1655, 149636), (3310, 74818), (6620, 37409)]