55173860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{394099}}^1$

素因数の和:394115

約数の個数: 24

約数和(自身を含む): 132417600

約数和(自身を除く): 77243740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 394099, 788198, 1576396, 1970495, 2758693, 3940990, 5517386, 7881980, 11034772, 13793465, 27586930, 55173860]

約数ペア:

[(1, 55173860), (2, 27586930), (4, 13793465), (5, 11034772), (7, 7881980), (10, 5517386), (14, 3940990), (20, 2758693), (28, 1970495), (35, 1576396), (70, 788198), (140, 394099)]