280549696

素因数分解:

$2^6\times 7^2\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:816

約数の個数: 84

約数和(自身を含む): 653334228

約数和(自身を除く): 372784532

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 137, 196, 224, 274, 392, 448, 548, 653, 784, 959, 1096, 1306, 1568, 1918, 2192, 2612, 3136, 3836, 4384, 4571, 5224, 6713, 7672, 8768, 9142, 10448, 13426, 15344, 18284, 20896, 26852, 30688, 31997, 36568, 41792, 53704, 61376, 63994, 73136, 89461, 107408, 127988, 146272, 178922, 214816, 255976, 292544, 357844, 429632, 511952, 626227, 715688, 1023904, 1252454, 1431376, 2047808, 2504908, 2862752, 4383589, 5009816, 5725504, 8767178, 10019632, 17534356, 20039264, 35068712, 40078528, 70137424, 140274848, 280549696]

約数ペア:

[(1, 280549696), (2, 140274848), (4, 70137424), (7, 40078528), (8, 35068712), (14, 20039264), (16, 17534356), (28, 10019632), (32, 8767178), (49, 5725504), (56, 5009816), (64, 4383589), (98, 2862752), (112, 2504908), (137, 2047808), (196, 1431376), (224, 1252454), (274, 1023904), (392, 715688), (448, 626227), (548, 511952), (653, 429632), (784, 357844), (959, 292544), (1096, 255976), (1306, 214816), (1568, 178922), (1918, 146272), (2192, 127988), (2612, 107408), (3136, 89461), (3836, 73136), (4384, 63994), (4571, 61376), (5224, 53704), (6713, 41792), (7672, 36568), (8768, 31997), (9142, 30688), (10448, 26852), (13426, 20896), (15344, 18284)]