214645420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{975661}}^1$

素因数の和:975681

約数の個数: 24

約数和(自身を含む): 491733648

約数和(自身を除く): 277088228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 975661, 1951322, 3902644, 4878305, 9756610, 10732271, 19513220, 21464542, 42929084, 53661355, 107322710, 214645420]

約数ペア:

[(1, 214645420), (2, 107322710), (4, 53661355), (5, 42929084), (10, 21464542), (11, 19513220), (20, 10732271), (22, 9756610), (44, 4878305), (55, 3902644), (110, 1951322), (220, 975661)]