219020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 471744

約数和(自身を除く): 252724

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 233, 235, 466, 470, 932, 940, 1165, 2330, 4660, 10951, 21902, 43804, 54755, 109510, 219020]

約数ペア:

[(1, 219020), (2, 109510), (4, 54755), (5, 43804), (10, 21902), (20, 10951), (47, 4660), (94, 2330), (188, 1165), (233, 940), (235, 932), (466, 470)]