280883977472

素因数分解:

$2^8\times 7^1\times {\mathrm{419}}^1\times {\mathrm{374089}}^1$

素因数の和:374531

約数の個数: 72

約数和(自身を含む): 642297566400

約数和(自身を除く): 361413588928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 419, 448, 838, 896, 1676, 1792, 2933, 3352, 5866, 6704, 11732, 13408, 23464, 26816, 46928, 53632, 93856, 107264, 187712, 374089, 375424, 748178, 750848, 1496356, 2618623, 2992712, 5237246, 5985424, 10474492, 11970848, 20948984, 23941696, 41897968, 47883392, 83795936, 95766784, 156743291, 167591872, 313486582, 335183744, 626973164, 670367488, 1097203037, 1253946328, 2194406074, 2507892656, 4388812148, 5015785312, 8777624296, 10031570624, 17555248592, 20063141248, 35110497184, 40126282496, 70220994368, 140441988736, 280883977472]

約数ペア:

[(1, 280883977472), (2, 140441988736), (4, 70220994368), (7, 40126282496), (8, 35110497184), (14, 20063141248), (16, 17555248592), (28, 10031570624), (32, 8777624296), (56, 5015785312), (64, 4388812148), (112, 2507892656), (128, 2194406074), (224, 1253946328), (256, 1097203037), (419, 670367488), (448, 626973164), (838, 335183744), (896, 313486582), (1676, 167591872), (1792, 156743291), (2933, 95766784), (3352, 83795936), (5866, 47883392), (6704, 41897968), (11732, 23941696), (13408, 20948984), (23464, 11970848), (26816, 10474492), (46928, 5985424), (53632, 5237246), (93856, 2992712), (107264, 2618623), (187712, 1496356), (374089, 750848), (375424, 748178)]