2019999730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28857139}}^1$

素因数の和:28857153

約数の個数: 16

約数和(自身を含む): 4155428160

約数和(自身を除く): 2135428430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28857139, 57714278, 144285695, 201999973, 288571390, 403999946, 1009999865, 2019999730]

約数ペア:

[(1, 2019999730), (2, 1009999865), (5, 403999946), (7, 288571390), (10, 201999973), (14, 144285695), (35, 57714278), (70, 28857139)]