209090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 449280

約数和(自身を除く): 240190

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 103, 145, 203, 206, 290, 406, 515, 721, 1015, 1030, 1442, 2030, 2987, 3605, 5974, 7210, 14935, 20909, 29870, 41818, 104545, 209090]

約数ペア:

[(1, 209090), (2, 104545), (5, 41818), (7, 29870), (10, 20909), (14, 14935), (29, 7210), (35, 5974), (58, 3605), (70, 2987), (103, 2030), (145, 1442), (203, 1030), (206, 1015), (290, 721), (406, 515)]