247759260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{589903}}^1$

素因数の和:589922

約数の個数: 48

約数和(自身を含む): 792830976

約数和(自身を除く): 545071716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 589903, 1179806, 1769709, 2359612, 2949515, 3539418, 4129321, 5899030, 7078836, 8258642, 8848545, 11798060, 12387963, 16517284, 17697090, 20646605, 24775926, 35394180, 41293210, 49551852, 61939815, 82586420, 123879630, 247759260]

約数ペア:

[(1, 247759260), (2, 123879630), (3, 82586420), (4, 61939815), (5, 49551852), (6, 41293210), (7, 35394180), (10, 24775926), (12, 20646605), (14, 17697090), (15, 16517284), (20, 12387963), (21, 11798060), (28, 8848545), (30, 8258642), (35, 7078836), (42, 5899030), (60, 4129321), (70, 3539418), (84, 2949515), (105, 2359612), (140, 1769709), (210, 1179806), (420, 589903)]