280688888

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{5449}}^1$

素因数の和:5639

約数の個数: 32

約数和(自身を含む): 541512000

約数和(自身を除く): 260823112

約数列:

[1, 2, 4, 8, 47, 94, 137, 188, 274, 376, 548, 1096, 5449, 6439, 10898, 12878, 21796, 25756, 43592, 51512, 256103, 512206, 746513, 1024412, 1493026, 2048824, 2986052, 5972104, 35086111, 70172222, 140344444, 280688888]

約数ペア:

[(1, 280688888), (2, 140344444), (4, 70172222), (8, 35086111), (47, 5972104), (94, 2986052), (137, 2048824), (188, 1493026), (274, 1024412), (376, 746513), (548, 512206), (1096, 256103), (5449, 51512), (6439, 43592), (10898, 25756), (12878, 21796)]