279040

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1$

素因数の和:132

約数の個数: 40

約数和(自身を含む): 675180

約数和(自身を除く): 396140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 512, 545, 640, 872, 1090, 1280, 1744, 2180, 2560, 3488, 4360, 6976, 8720, 13952, 17440, 27904, 34880, 55808, 69760, 139520, 279040]

約数ペア:

[(1, 279040), (2, 139520), (4, 69760), (5, 55808), (8, 34880), (10, 27904), (16, 17440), (20, 13952), (32, 8720), (40, 6976), (64, 4360), (80, 3488), (109, 2560), (128, 2180), (160, 1744), (218, 1280), (256, 1090), (320, 872), (436, 640), (512, 545)]