4468220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 9449664

約数和(自身を除く): 4981444

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1423, 1570, 2846, 3140, 5692, 7115, 14230, 28460, 223411, 446822, 893644, 1117055, 2234110, 4468220]

約数ペア:

[(1, 4468220), (2, 2234110), (4, 1117055), (5, 893644), (10, 446822), (20, 223411), (157, 28460), (314, 14230), (628, 7115), (785, 5692), (1423, 3140), (1570, 2846)]