1389246650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{19889}}^1$

素因数の和:20039

約数の個数: 48

約数和(自身を含む): 2841246720

約数和(自身を除く): 1452000070

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 127, 254, 275, 550, 635, 1270, 1397, 2794, 3175, 6350, 6985, 13970, 19889, 34925, 39778, 69850, 99445, 198890, 218779, 437558, 497225, 994450, 1093895, 2187790, 2525903, 5051806, 5469475, 10938950, 12629515, 25259030, 27784933, 55569866, 63147575, 126295150, 138924665, 277849330, 694623325, 1389246650]

約数ペア:

[(1, 1389246650), (2, 694623325), (5, 277849330), (10, 138924665), (11, 126295150), (22, 63147575), (25, 55569866), (50, 27784933), (55, 25259030), (110, 12629515), (127, 10938950), (254, 5469475), (275, 5051806), (550, 2525903), (635, 2187790), (1270, 1093895), (1397, 994450), (2794, 497225), (3175, 437558), (6350, 218779), (6985, 198890), (13970, 99445), (19889, 69850), (34925, 39778)]