280201878

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1170

約数の個数: 72

約数和(自身を含む): 673231104

約数和(自身を除く): 393029226

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 127, 198, 242, 254, 363, 381, 726, 762, 1013, 1089, 1143, 1397, 2026, 2178, 2286, 2794, 3039, 4191, 6078, 8382, 9117, 11143, 12573, 15367, 18234, 22286, 25146, 30734, 33429, 46101, 66858, 92202, 100287, 122573, 128651, 138303, 200574, 245146, 257302, 276606, 367719, 385953, 735438, 771906, 1103157, 1157859, 1415161, 2206314, 2315718, 2830322, 4245483, 8490966, 12736449, 15566771, 25472898, 31133542, 46700313, 93400626, 140100939, 280201878]

約数ペア:

[(1, 280201878), (2, 140100939), (3, 93400626), (6, 46700313), (9, 31133542), (11, 25472898), (18, 15566771), (22, 12736449), (33, 8490966), (66, 4245483), (99, 2830322), (121, 2315718), (127, 2206314), (198, 1415161), (242, 1157859), (254, 1103157), (363, 771906), (381, 735438), (726, 385953), (762, 367719), (1013, 276606), (1089, 257302), (1143, 245146), (1397, 200574), (2026, 138303), (2178, 128651), (2286, 122573), (2794, 100287), (3039, 92202), (4191, 66858), (6078, 46101), (8382, 33429), (9117, 30734), (11143, 25146), (12573, 22286), (15367, 18234)]