189857990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2712257}}^1$

素因数の和:2712271

約数の個数: 16

約数和(自身を含む): 390565152

約数和(自身を除く): 200707162

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2712257, 5424514, 13561285, 18985799, 27122570, 37971598, 94928995, 189857990]

約数ペア:

[(1, 189857990), (2, 94928995), (5, 37971598), (7, 27122570), (10, 18985799), (14, 13561285), (35, 5424514), (70, 2712257)]