245539360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139511}}^1$

素因数の和:139537

約数の個数: 48

約数和(自身を含む): 632826432

約数和(自身を除く): 387287072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 139511, 279022, 558044, 697555, 1116088, 1395110, 1534621, 2232176, 2790220, 3069242, 4464352, 5580440, 6138484, 7673105, 11160880, 12276968, 15346210, 22321760, 24553936, 30692420, 49107872, 61384840, 122769680, 245539360]

約数ペア:

[(1, 245539360), (2, 122769680), (4, 61384840), (5, 49107872), (8, 30692420), (10, 24553936), (11, 22321760), (16, 15346210), (20, 12276968), (22, 11160880), (32, 7673105), (40, 6138484), (44, 5580440), (55, 4464352), (80, 3069242), (88, 2790220), (110, 2232176), (160, 1534621), (176, 1395110), (220, 1116088), (352, 697555), (440, 558044), (880, 279022), (1760, 139511)]