1380140

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 2923872

約数和(自身を除く): 1543732

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 457, 604, 755, 914, 1510, 1828, 2285, 3020, 4570, 9140, 69007, 138014, 276028, 345035, 690070, 1380140]

約数ペア:

[(1, 1380140), (2, 690070), (4, 345035), (5, 276028), (10, 138014), (20, 69007), (151, 9140), (302, 4570), (457, 3020), (604, 2285), (755, 1828), (914, 1510)]