340646782

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1177

約数の個数: 64

約数和(自身を含む): 660648960

約数和(自身を除く): 320002178

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 71, 119, 133, 142, 238, 266, 323, 497, 646, 994, 1061, 1207, 1349, 2122, 2261, 2414, 2698, 4522, 7427, 8449, 9443, 14854, 16898, 18037, 18886, 20159, 22933, 36074, 40318, 45866, 75331, 126259, 141113, 150662, 160531, 252518, 282226, 321062, 342703, 527317, 685406, 1054634, 1280627, 1431289, 2398921, 2561254, 2862578, 4797842, 8964389, 10019023, 17928778, 20038046, 24331913, 48663826, 170323391, 340646782]

約数ペア:

[(1, 340646782), (2, 170323391), (7, 48663826), (14, 24331913), (17, 20038046), (19, 17928778), (34, 10019023), (38, 8964389), (71, 4797842), (119, 2862578), (133, 2561254), (142, 2398921), (238, 1431289), (266, 1280627), (323, 1054634), (497, 685406), (646, 527317), (994, 342703), (1061, 321062), (1207, 282226), (1349, 252518), (2122, 160531), (2261, 150662), (2414, 141113), (2698, 126259), (4522, 75331), (7427, 45866), (8449, 40318), (9443, 36074), (14854, 22933), (16898, 20159), (18037, 18886)]