90210978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 232569792

約数和(自身を除く): 142358814

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 101, 117, 143, 198, 202, 234, 286, 303, 347, 429, 606, 694, 858, 909, 1041, 1111, 1287, 1313, 1818, 2082, 2222, 2574, 2626, 3123, 3333, 3817, 3939, 4511, 6246, 6666, 7634, 7878, 9022, 9999, 11451, 11817, 13533, 14443, 19998, 22902, 23634, 27066, 28886, 34353, 35047, 40599, 43329, 49621, 68706, 70094, 81198, 86658, 99242, 105141, 129987, 148863, 210282, 259974, 297726, 315423, 385517, 446589, 455611, 630846, 771034, 893178, 911222, 1156551, 1366833, 2313102, 2733666, 3469653, 4100499, 5011721, 6939306, 8200998, 10023442, 15035163, 30070326, 45105489, 90210978]

約数ペア:

[(1, 90210978), (2, 45105489), (3, 30070326), (6, 15035163), (9, 10023442), (11, 8200998), (13, 6939306), (18, 5011721), (22, 4100499), (26, 3469653), (33, 2733666), (39, 2313102), (66, 1366833), (78, 1156551), (99, 911222), (101, 893178), (117, 771034), (143, 630846), (198, 455611), (202, 446589), (234, 385517), (286, 315423), (303, 297726), (347, 259974), (429, 210282), (606, 148863), (694, 129987), (858, 105141), (909, 99242), (1041, 86658), (1111, 81198), (1287, 70094), (1313, 68706), (1818, 49621), (2082, 43329), (2222, 40599), (2574, 35047), (2626, 34353), (3123, 28886), (3333, 27066), (3817, 23634), (3939, 22902), (4511, 19998), (6246, 14443), (6666, 13533), (7634, 11817), (7878, 11451), (9022, 9999)]