208615212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:880

約数の個数: 144

約数和(自身を含む): 619164000

約数和(自身を除く): 410548788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 29, 36, 38, 39, 52, 57, 58, 76, 78, 87, 114, 116, 117, 156, 171, 174, 228, 234, 247, 261, 342, 348, 377, 468, 494, 522, 551, 684, 741, 754, 809, 988, 1044, 1102, 1131, 1482, 1508, 1618, 1653, 2204, 2223, 2262, 2427, 2964, 3236, 3306, 3393, 4446, 4524, 4854, 4959, 6612, 6786, 7163, 7281, 8892, 9708, 9918, 10517, 13572, 14326, 14562, 15371, 19836, 21034, 21489, 23461, 28652, 29124, 30742, 31551, 42068, 42978, 46113, 46922, 61484, 63102, 64467, 70383, 85956, 92226, 93844, 94653, 126204, 128934, 138339, 140766, 184452, 189306, 199823, 211149, 257868, 276678, 281532, 304993, 378612, 399646, 422298, 445759, 553356, 599469, 609986, 799292, 844596, 891518, 914979, 1198938, 1219972, 1337277, 1783036, 1798407, 1829958, 2397876, 2674554, 2744937, 3596814, 3659916, 4011831, 5349108, 5489874, 5794867, 7193628, 8023662, 10979748, 11589734, 16047324, 17384601, 23179468, 34769202, 52153803, 69538404, 104307606, 208615212]

約数ペア:

[(1, 208615212), (2, 104307606), (3, 69538404), (4, 52153803), (6, 34769202), (9, 23179468), (12, 17384601), (13, 16047324), (18, 11589734), (19, 10979748), (26, 8023662), (29, 7193628), (36, 5794867), (38, 5489874), (39, 5349108), (52, 4011831), (57, 3659916), (58, 3596814), (76, 2744937), (78, 2674554), (87, 2397876), (114, 1829958), (116, 1798407), (117, 1783036), (156, 1337277), (171, 1219972), (174, 1198938), (228, 914979), (234, 891518), (247, 844596), (261, 799292), (342, 609986), (348, 599469), (377, 553356), (468, 445759), (494, 422298), (522, 399646), (551, 378612), (684, 304993), (741, 281532), (754, 276678), (809, 257868), (988, 211149), (1044, 199823), (1102, 189306), (1131, 184452), (1482, 140766), (1508, 138339), (1618, 128934), (1653, 126204), (2204, 94653), (2223, 93844), (2262, 92226), (2427, 85956), (2964, 70383), (3236, 64467), (3306, 63102), (3393, 61484), (4446, 46922), (4524, 46113), (4854, 42978), (4959, 42068), (6612, 31551), (6786, 30742), (7163, 29124), (7281, 28652), (8892, 23461), (9708, 21489), (9918, 21034), (10517, 19836), (13572, 15371), (14326, 14562)]