2009686544

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{887}}^1$

素因数の和:1200

約数の個数: 80

約数和(自身を含む): 4261334400

約数和(自身を除く): 2251647856

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 257, 304, 464, 514, 551, 887, 1028, 1102, 1774, 2056, 2204, 3548, 4112, 4408, 4883, 7096, 7453, 8816, 9766, 14192, 14906, 16853, 19532, 25723, 29812, 33706, 39064, 51446, 59624, 67412, 78128, 102892, 119248, 134824, 141607, 205784, 227959, 269648, 283214, 411568, 455918, 488737, 566428, 911836, 977474, 1132856, 1823672, 1954948, 2265712, 3647344, 3909896, 4331221, 6610811, 7819792, 8662442, 13221622, 17324884, 26443244, 34649768, 52886488, 69299536, 105772976, 125605409, 251210818, 502421636, 1004843272, 2009686544]

約数ペア:

[(1, 2009686544), (2, 1004843272), (4, 502421636), (8, 251210818), (16, 125605409), (19, 105772976), (29, 69299536), (38, 52886488), (58, 34649768), (76, 26443244), (116, 17324884), (152, 13221622), (232, 8662442), (257, 7819792), (304, 6610811), (464, 4331221), (514, 3909896), (551, 3647344), (887, 2265712), (1028, 1954948), (1102, 1823672), (1774, 1132856), (2056, 977474), (2204, 911836), (3548, 566428), (4112, 488737), (4408, 455918), (4883, 411568), (7096, 283214), (7453, 269648), (8816, 227959), (9766, 205784), (14192, 141607), (14906, 134824), (16853, 119248), (19532, 102892), (25723, 78128), (29812, 67412), (33706, 59624), (39064, 51446)]