2019905090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{193663}}^1$

素因数の和:193826

約数の個数: 32

約数和(自身を含む): 4183142400

約数和(自身を除く): 2163237310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 193663, 387326, 968315, 1355641, 1936630, 2711282, 6778205, 13556410, 28855787, 57711574, 144278935, 201990509, 288557870, 403981018, 1009952545, 2019905090]

約数ペア:

[(1, 2019905090), (2, 1009952545), (5, 403981018), (7, 288557870), (10, 201990509), (14, 144278935), (35, 57711574), (70, 28855787), (149, 13556410), (298, 6778205), (745, 2711282), (1043, 1936630), (1490, 1355641), (2086, 968315), (5215, 387326), (10430, 193663)]