291226420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{69011}}^1$

素因数の和:69231

約数の個数: 24

約数和(自身を含む): 614482848

約数和(自身を除く): 323256428

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 69011, 138022, 276044, 345055, 690110, 1380220, 14561321, 29122642, 58245284, 72806605, 145613210, 291226420]

約数ペア:

[(1, 291226420), (2, 145613210), (4, 72806605), (5, 58245284), (10, 29122642), (20, 14561321), (211, 1380220), (422, 690110), (844, 345055), (1055, 276044), (2110, 138022), (4220, 69011)]