27780170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3646

約数の個数: 32

約数和(自身を含む): 55334016

約数和(自身を除く): 27553846

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3557, 3905, 7114, 7810, 17785, 35570, 39127, 78254, 195635, 252547, 391270, 505094, 1262735, 2525470, 2778017, 5556034, 13890085, 27780170]

約数ペア:

[(1, 27780170), (2, 13890085), (5, 5556034), (10, 2778017), (11, 2525470), (22, 1262735), (55, 505094), (71, 391270), (110, 252547), (142, 195635), (355, 78254), (710, 39127), (781, 35570), (1562, 17785), (3557, 7810), (3905, 7114)]