340476656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 756097440

約数和(自身を除く): 415620784

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 101, 104, 152, 202, 208, 247, 304, 404, 494, 808, 853, 988, 1313, 1616, 1706, 1919, 1976, 2626, 3412, 3838, 3952, 5252, 6824, 7676, 10504, 11089, 13648, 15352, 16207, 21008, 22178, 24947, 30704, 32414, 44356, 49894, 64828, 86153, 88712, 99788, 129656, 172306, 177424, 199576, 210691, 259312, 344612, 399152, 421382, 689224, 842764, 1119989, 1378448, 1636907, 1685528, 2239978, 3273814, 3371056, 4479956, 6547628, 8959912, 13095256, 17919824, 21279791, 26190512, 42559582, 85119164, 170238328, 340476656]

約数ペア:

[(1, 340476656), (2, 170238328), (4, 85119164), (8, 42559582), (13, 26190512), (16, 21279791), (19, 17919824), (26, 13095256), (38, 8959912), (52, 6547628), (76, 4479956), (101, 3371056), (104, 3273814), (152, 2239978), (202, 1685528), (208, 1636907), (247, 1378448), (304, 1119989), (404, 842764), (494, 689224), (808, 421382), (853, 399152), (988, 344612), (1313, 259312), (1616, 210691), (1706, 199576), (1919, 177424), (1976, 172306), (2626, 129656), (3412, 99788), (3838, 88712), (3952, 86153), (5252, 64828), (6824, 49894), (7676, 44356), (10504, 32414), (11089, 30704), (13648, 24947), (15352, 22178), (16207, 21008)]