290795008

素因数分解:

$2^9\times 7^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 120

約数和(自身を含む): 689935752

約数和(自身を除く): 399140744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 67, 98, 112, 128, 134, 173, 196, 224, 256, 268, 346, 392, 448, 469, 512, 536, 692, 784, 896, 938, 1072, 1211, 1384, 1568, 1792, 1876, 2144, 2422, 2768, 3136, 3283, 3584, 3752, 4288, 4844, 5536, 6272, 6566, 7504, 8477, 8576, 9688, 11072, 11591, 12544, 13132, 15008, 16954, 17152, 19376, 22144, 23182, 25088, 26264, 30016, 33908, 34304, 38752, 44288, 46364, 52528, 60032, 67816, 77504, 81137, 88576, 92728, 105056, 120064, 135632, 155008, 162274, 185456, 210112, 240128, 271264, 310016, 324548, 370912, 420224, 542528, 567959, 620032, 649096, 741824, 840448, 1085056, 1135918, 1298192, 1483648, 1680896, 2170112, 2271836, 2596384, 2967296, 4340224, 4543672, 5192768, 5934592, 9087344, 10385536, 18174688, 20771072, 36349376, 41542144, 72698752, 145397504, 290795008]

約数ペア:

[(1, 290795008), (2, 145397504), (4, 72698752), (7, 41542144), (8, 36349376), (14, 20771072), (16, 18174688), (28, 10385536), (32, 9087344), (49, 5934592), (56, 5192768), (64, 4543672), (67, 4340224), (98, 2967296), (112, 2596384), (128, 2271836), (134, 2170112), (173, 1680896), (196, 1483648), (224, 1298192), (256, 1135918), (268, 1085056), (346, 840448), (392, 741824), (448, 649096), (469, 620032), (512, 567959), (536, 542528), (692, 420224), (784, 370912), (896, 324548), (938, 310016), (1072, 271264), (1211, 240128), (1384, 210112), (1568, 185456), (1792, 162274), (1876, 155008), (2144, 135632), (2422, 120064), (2768, 105056), (3136, 92728), (3283, 88576), (3584, 81137), (3752, 77504), (4288, 67816), (4844, 60032), (5536, 52528), (6272, 46364), (6566, 44288), (7504, 38752), (8477, 34304), (8576, 33908), (9688, 30016), (11072, 26264), (11591, 25088), (12544, 23182), (13132, 22144), (15008, 19376), (16954, 17152)]