255640136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 525312000

約数和(自身を除く): 269671864

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 227, 239, 248, 454, 478, 589, 908, 956, 1178, 1816, 1912, 2356, 4313, 4541, 4712, 7037, 7409, 8626, 9082, 14074, 14818, 17252, 18164, 28148, 29636, 34504, 36328, 54253, 56296, 59272, 108506, 133703, 140771, 217012, 267406, 281542, 434024, 534812, 563084, 1030807, 1069624, 1126168, 1681843, 2061614, 3363686, 4123228, 6727372, 8246456, 13454744, 31955017, 63910034, 127820068, 255640136]

約数ペア:

[(1, 255640136), (2, 127820068), (4, 63910034), (8, 31955017), (19, 13454744), (31, 8246456), (38, 6727372), (62, 4123228), (76, 3363686), (124, 2061614), (152, 1681843), (227, 1126168), (239, 1069624), (248, 1030807), (454, 563084), (478, 534812), (589, 434024), (908, 281542), (956, 267406), (1178, 217012), (1816, 140771), (1912, 133703), (2356, 108506), (4313, 59272), (4541, 56296), (4712, 54253), (7037, 36328), (7409, 34504), (8626, 29636), (9082, 28148), (14074, 18164), (14818, 17252)]