209947824

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:787

約数の個数: 120

約数和(自身を含む): 627616080

約数和(自身を除く): 417668256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 139, 144, 153, 204, 272, 278, 306, 408, 417, 556, 612, 617, 816, 834, 1112, 1224, 1234, 1251, 1668, 1851, 2224, 2363, 2448, 2468, 2502, 3336, 3702, 4726, 4936, 5004, 5553, 6672, 7089, 7404, 9452, 9872, 10008, 10489, 11106, 14178, 14808, 18904, 20016, 20978, 21267, 22212, 28356, 29616, 31467, 37808, 41956, 42534, 44424, 56712, 62934, 83912, 85068, 85763, 88848, 94401, 113424, 125868, 167824, 170136, 171526, 188802, 251736, 257289, 340272, 343052, 377604, 503472, 514578, 686104, 755208, 771867, 1029156, 1372208, 1457971, 1510416, 1543734, 2058312, 2915942, 3087468, 4116624, 4373913, 5831884, 6174936, 8747826, 11663768, 12349872, 13121739, 17495652, 23327536, 26243478, 34991304, 52486956, 69982608, 104973912, 209947824]

約数ペア:

[(1, 209947824), (2, 104973912), (3, 69982608), (4, 52486956), (6, 34991304), (8, 26243478), (9, 23327536), (12, 17495652), (16, 13121739), (17, 12349872), (18, 11663768), (24, 8747826), (34, 6174936), (36, 5831884), (48, 4373913), (51, 4116624), (68, 3087468), (72, 2915942), (102, 2058312), (136, 1543734), (139, 1510416), (144, 1457971), (153, 1372208), (204, 1029156), (272, 771867), (278, 755208), (306, 686104), (408, 514578), (417, 503472), (556, 377604), (612, 343052), (617, 340272), (816, 257289), (834, 251736), (1112, 188802), (1224, 171526), (1234, 170136), (1251, 167824), (1668, 125868), (1851, 113424), (2224, 94401), (2363, 88848), (2448, 85763), (2468, 85068), (2502, 83912), (3336, 62934), (3702, 56712), (4726, 44424), (4936, 42534), (5004, 41956), (5553, 37808), (6672, 31467), (7089, 29616), (7404, 28356), (9452, 22212), (9872, 21267), (10008, 20978), (10489, 20016), (11106, 18904), (14178, 14808)]