1330502780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{423727}}^1$

素因数の和:423893

約数の個数: 24

約数和(自身を含む): 2811859008

約数和(自身を除く): 1481356228

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 423727, 847454, 1694908, 2118635, 4237270, 8474540, 66525139, 133050278, 266100556, 332625695, 665251390, 1330502780]

約数ペア:

[(1, 1330502780), (2, 665251390), (4, 332625695), (5, 266100556), (10, 133050278), (20, 66525139), (157, 8474540), (314, 4237270), (628, 2118635), (785, 1694908), (1570, 847454), (3140, 423727)]