1904420770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3886573}}^1$

素因数の和:3886594

約数の個数: 24

約数和(自身を含む): 3987624924

約数和(自身を除く): 2083204154

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3886573, 7773146, 19432865, 27206011, 38865730, 54412022, 136030055, 190442077, 272060110, 380884154, 952210385, 1904420770]

約数ペア:

[(1, 1904420770), (2, 952210385), (5, 380884154), (7, 272060110), (10, 190442077), (14, 136030055), (35, 54412022), (49, 38865730), (70, 27206011), (98, 19432865), (245, 7773146), (490, 3886573)]