205800970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1093}}^1$

素因数の和:2110

約数の個数: 32

約数和(自身を含む): 390689280

約数和(自身を除く): 184888310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 991, 1093, 1982, 2186, 4955, 5465, 9910, 10930, 18829, 20767, 37658, 41534, 94145, 103835, 188290, 207670, 1083163, 2166326, 5415815, 10831630, 20580097, 41160194, 102900485, 205800970]

約数ペア:

[(1, 205800970), (2, 102900485), (5, 41160194), (10, 20580097), (19, 10831630), (38, 5415815), (95, 2166326), (190, 1083163), (991, 207670), (1093, 188290), (1982, 103835), (2186, 94145), (4955, 41534), (5465, 37658), (9910, 20767), (10930, 18829)]