1899730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3877}}^1$

素因数の和:3898

約数の個数: 24

約数和(自身を含む): 3978828

約数和(自身を除く): 2079098

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3877, 7754, 19385, 27139, 38770, 54278, 135695, 189973, 271390, 379946, 949865, 1899730]

約数ペア:

[(1, 1899730), (2, 949865), (5, 379946), (7, 271390), (10, 189973), (14, 135695), (35, 54278), (49, 38770), (70, 27139), (98, 19385), (245, 7754), (490, 3877)]