257735710

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{2269}}^1$

素因数の和:2620

約数の個数: 32

約数和(自身を含む): 478225440

約数和(自身を除く): 220489730

約数列:

[1, 2, 5, 10, 37, 74, 185, 307, 370, 614, 1535, 2269, 3070, 4538, 11345, 11359, 22690, 22718, 56795, 83953, 113590, 167906, 419765, 696583, 839530, 1393166, 3482915, 6965830, 25773571, 51547142, 128867855, 257735710]

約数ペア:

[(1, 257735710), (2, 128867855), (5, 51547142), (10, 25773571), (37, 6965830), (74, 3482915), (185, 1393166), (307, 839530), (370, 696583), (614, 419765), (1535, 167906), (2269, 113590), (3070, 83953), (4538, 56795), (11345, 22718), (11359, 22690)]