42777140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305551}}^1$

素因数の和:305567

約数の個数: 24

約数和(自身を含む): 102665472

約数和(自身を除く): 59888332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305551, 611102, 1222204, 1527755, 2138857, 3055510, 4277714, 6111020, 8555428, 10694285, 21388570, 42777140]

約数ペア:

[(1, 42777140), (2, 21388570), (4, 10694285), (5, 8555428), (7, 6111020), (10, 4277714), (14, 3055510), (20, 2138857), (28, 1527755), (35, 1222204), (70, 611102), (140, 305551)]