1980481888

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1637}}^1$

素因数の和:2156

約数の個数: 96

約数和(自身を含む): 4874059008

約数和(自身を除く): 2893577120

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 491, 616, 982, 1232, 1637, 1964, 2464, 3274, 3437, 3928, 5401, 6548, 6874, 7856, 10802, 11459, 13096, 13748, 15712, 18007, 21604, 22918, 26192, 27496, 36014, 37807, 43208, 45836, 52384, 54992, 72028, 75614, 86416, 91672, 109984, 126049, 144056, 151228, 172832, 183344, 252098, 288112, 302456, 366688, 504196, 576224, 604912, 803767, 1008392, 1209824, 1607534, 2016784, 3215068, 4033568, 5626369, 6430136, 8841437, 11252738, 12860272, 17682874, 22505476, 25720544, 35365748, 45010952, 61890059, 70731496, 90021904, 123780118, 141462992, 180043808, 247560236, 282925984, 495120472, 990240944, 1980481888]

約数ペア:

[(1, 1980481888), (2, 990240944), (4, 495120472), (7, 282925984), (8, 247560236), (11, 180043808), (14, 141462992), (16, 123780118), (22, 90021904), (28, 70731496), (32, 61890059), (44, 45010952), (56, 35365748), (77, 25720544), (88, 22505476), (112, 17682874), (154, 12860272), (176, 11252738), (224, 8841437), (308, 6430136), (352, 5626369), (491, 4033568), (616, 3215068), (982, 2016784), (1232, 1607534), (1637, 1209824), (1964, 1008392), (2464, 803767), (3274, 604912), (3437, 576224), (3928, 504196), (5401, 366688), (6548, 302456), (6874, 288112), (7856, 252098), (10802, 183344), (11459, 172832), (13096, 151228), (13748, 144056), (15712, 126049), (18007, 109984), (21604, 91672), (22918, 86416), (26192, 75614), (27496, 72028), (36014, 54992), (37807, 52384), (43208, 45836)]