155277220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1109123}}^1$

素因数の和:1109139

約数の個数: 24

約数和(自身を含む): 372665664

約数和(自身を除く): 217388444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1109123, 2218246, 4436492, 5545615, 7763861, 11091230, 15527722, 22182460, 31055444, 38819305, 77638610, 155277220]

約数ペア:

[(1, 155277220), (2, 77638610), (4, 38819305), (5, 31055444), (7, 22182460), (10, 15527722), (14, 11091230), (20, 7763861), (28, 5545615), (35, 4436492), (70, 2218246), (140, 1109123)]