219219020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{106417}}^1$

素因数の和:106529

約数の個数: 24

約数和(自身を含む): 464833824

約数和(自身を除く): 245614804

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 106417, 212834, 425668, 532085, 1064170, 2128340, 10960951, 21921902, 43843804, 54804755, 109609510, 219219020]

約数ペア:

[(1, 219219020), (2, 109609510), (4, 54804755), (5, 43843804), (10, 21921902), (20, 10960951), (103, 2128340), (206, 1064170), (412, 532085), (515, 425668), (1030, 212834), (2060, 106417)]