219946460

素因数分解:

$2^2\times 5^1\times {\mathrm{2657}}^1\times {\mathrm{4139}}^1$

素因数の和:6805

約数の個数: 24

約数和(自身を含む): 462173040

約数和(自身を除く): 242226580

約数列:

[1, 2, 4, 5, 10, 20, 2657, 4139, 5314, 8278, 10628, 13285, 16556, 20695, 26570, 41390, 53140, 82780, 10997323, 21994646, 43989292, 54986615, 109973230, 219946460]

約数ペア:

[(1, 219946460), (2, 109973230), (4, 54986615), (5, 43989292), (10, 21994646), (20, 10997323), (2657, 82780), (4139, 53140), (5314, 41390), (8278, 26570), (10628, 20695), (13285, 16556)]