1886990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3851}}^1$

素因数の和:3872

約数の個数: 24

約数和(自身を含む): 3952152

約数和(自身を除く): 2065162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3851, 7702, 19255, 26957, 38510, 53914, 134785, 188699, 269570, 377398, 943495, 1886990]

約数ペア:

[(1, 1886990), (2, 943495), (5, 377398), (7, 269570), (10, 188699), (14, 134785), (35, 53914), (49, 38510), (70, 26957), (98, 19255), (245, 7702), (490, 3851)]