209737276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 469969920

約数和(自身を除く): 260232644

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 61, 76, 92, 122, 133, 161, 244, 266, 281, 322, 427, 437, 532, 562, 644, 854, 874, 1124, 1159, 1403, 1708, 1748, 1967, 2318, 2806, 3059, 3934, 4636, 5339, 5612, 6118, 6463, 7868, 8113, 9821, 10678, 12236, 12926, 16226, 17141, 19642, 21356, 25852, 26657, 32452, 34282, 37373, 39284, 45241, 53314, 68564, 74746, 90482, 106628, 119987, 122797, 149492, 180964, 186599, 239974, 245594, 325679, 373198, 394243, 479948, 491188, 651358, 746396, 788486, 859579, 1302716, 1576972, 1719158, 2279753, 2759701, 3438316, 4559506, 5519402, 7490617, 9119012, 11038804, 14981234, 29962468, 52434319, 104868638, 209737276]

約数ペア:

[(1, 209737276), (2, 104868638), (4, 52434319), (7, 29962468), (14, 14981234), (19, 11038804), (23, 9119012), (28, 7490617), (38, 5519402), (46, 4559506), (61, 3438316), (76, 2759701), (92, 2279753), (122, 1719158), (133, 1576972), (161, 1302716), (244, 859579), (266, 788486), (281, 746396), (322, 651358), (427, 491188), (437, 479948), (532, 394243), (562, 373198), (644, 325679), (854, 245594), (874, 239974), (1124, 186599), (1159, 180964), (1403, 149492), (1708, 122797), (1748, 119987), (1967, 106628), (2318, 90482), (2806, 74746), (3059, 68564), (3934, 53314), (4636, 45241), (5339, 39284), (5612, 37373), (6118, 34282), (6463, 32452), (7868, 26657), (8113, 25852), (9821, 21356), (10678, 19642), (12236, 17141), (12926, 16226)]