913148620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{1307}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 1939680288

約数和(自身を除く): 1026531668

約数列:

[1, 2, 4, 5, 10, 20, 181, 193, 362, 386, 724, 772, 905, 965, 1307, 1810, 1930, 2614, 3620, 3860, 5228, 6535, 13070, 26140, 34933, 69866, 139732, 174665, 236567, 252251, 349330, 473134, 504502, 698660, 946268, 1009004, 1182835, 1261255, 2365670, 2522510, 4731340, 5045020, 45657431, 91314862, 182629724, 228287155, 456574310, 913148620]

約数ペア:

[(1, 913148620), (2, 456574310), (4, 228287155), (5, 182629724), (10, 91314862), (20, 45657431), (181, 5045020), (193, 4731340), (362, 2522510), (386, 2365670), (724, 1261255), (772, 1182835), (905, 1009004), (965, 946268), (1307, 698660), (1810, 504502), (1930, 473134), (2614, 349330), (3620, 252251), (3860, 236567), (5228, 174665), (6535, 139732), (13070, 69866), (26140, 34933)]