2099090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 4368384

約数和(自身を除く): 2269294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 191, 314, 382, 785, 955, 1099, 1337, 1570, 1910, 2198, 2674, 5495, 6685, 10990, 13370, 29987, 59974, 149935, 209909, 299870, 419818, 1049545, 2099090]

約数ペア:

[(1, 2099090), (2, 1049545), (5, 419818), (7, 299870), (10, 209909), (14, 149935), (35, 59974), (70, 29987), (157, 13370), (191, 10990), (314, 6685), (382, 5495), (785, 2674), (955, 2198), (1099, 1910), (1337, 1570)]