127100000020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{907857143}}^1$

素因数の和:907857159

約数の個数: 24

約数和(自身を含む): 305040000384

約数和(自身を除く): 177940000364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 907857143, 1815714286, 3631428572, 4539285715, 6355000001, 9078571430, 12710000002, 18157142860, 25420000004, 31775000005, 63550000010, 127100000020]

約数ペア:

[(1, 127100000020), (2, 63550000010), (4, 31775000005), (5, 25420000004), (7, 18157142860), (10, 12710000002), (14, 9078571430), (20, 6355000001), (28, 4539285715), (35, 3631428572), (70, 1815714286), (140, 907857143)]