391609580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{2909}}^1$

素因数の和:3098

約数の個数: 48

約数和(自身を含む): 844784640

約数和(自身を除く): 453175060

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 127, 212, 254, 265, 508, 530, 635, 1060, 1270, 2540, 2909, 5818, 6731, 11636, 13462, 14545, 26924, 29090, 33655, 58180, 67310, 134620, 154177, 308354, 369443, 616708, 738886, 770885, 1477772, 1541770, 1847215, 3083540, 3694430, 7388860, 19580479, 39160958, 78321916, 97902395, 195804790, 391609580]

約数ペア:

[(1, 391609580), (2, 195804790), (4, 97902395), (5, 78321916), (10, 39160958), (20, 19580479), (53, 7388860), (106, 3694430), (127, 3083540), (212, 1847215), (254, 1541770), (265, 1477772), (508, 770885), (530, 738886), (635, 616708), (1060, 369443), (1270, 308354), (2540, 154177), (2909, 134620), (5818, 67310), (6731, 58180), (11636, 33655), (13462, 29090), (14545, 26924)]