207922180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{3701}}^1$

素因数の和:3816

約数の個数: 36

約数和(自身を含む): 445150692

約数和(自身を除く): 237228512

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 2809, 3701, 5618, 7402, 11236, 14045, 14804, 18505, 28090, 37010, 56180, 74020, 196153, 392306, 784612, 980765, 1961530, 3923060, 10396109, 20792218, 41584436, 51980545, 103961090, 207922180]

約数ペア:

[(1, 207922180), (2, 103961090), (4, 51980545), (5, 41584436), (10, 20792218), (20, 10396109), (53, 3923060), (106, 1961530), (212, 980765), (265, 784612), (530, 392306), (1060, 196153), (2809, 74020), (3701, 56180), (5618, 37010), (7402, 28090), (11236, 18505), (14045, 14804)]