109290860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{780649}}^1$

素因数の和:780665

約数の個数: 24

約数和(自身を含む): 262298400

約数和(自身を除く): 153007540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 780649, 1561298, 3122596, 3903245, 5464543, 7806490, 10929086, 15612980, 21858172, 27322715, 54645430, 109290860]

約数ペア:

[(1, 109290860), (2, 54645430), (4, 27322715), (5, 21858172), (7, 15612980), (10, 10929086), (14, 7806490), (20, 5464543), (28, 3903245), (35, 3122596), (70, 1561298), (140, 780649)]