168861220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{767551}}^1$

素因数の和:767571

約数の個数: 24

約数和(自身を含む): 386846208

約数和(自身を除く): 217984988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 767551, 1535102, 3070204, 3837755, 7675510, 8443061, 15351020, 16886122, 33772244, 42215305, 84430610, 168861220]

約数ペア:

[(1, 168861220), (2, 84430610), (4, 42215305), (5, 33772244), (10, 16886122), (11, 15351020), (20, 8443061), (22, 7675510), (44, 3837755), (55, 3070204), (110, 1535102), (220, 767551)]