280123904

素因数分解:

$2^9\times {\mathrm{101}}^1\times {\mathrm{5417}}^1$

素因数の和:5536

約数の個数: 40

約数和(自身を含む): 565346628

約数和(自身を除く): 285222724

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 512, 808, 1616, 3232, 5417, 6464, 10834, 12928, 21668, 25856, 43336, 51712, 86672, 173344, 346688, 547117, 693376, 1094234, 1386752, 2188468, 2773504, 4376936, 8753872, 17507744, 35015488, 70030976, 140061952, 280123904]

約数ペア:

[(1, 280123904), (2, 140061952), (4, 70030976), (8, 35015488), (16, 17507744), (32, 8753872), (64, 4376936), (101, 2773504), (128, 2188468), (202, 1386752), (256, 1094234), (404, 693376), (512, 547117), (808, 346688), (1616, 173344), (3232, 86672), (5417, 51712), (6464, 43336), (10834, 25856), (12928, 21668)]