309442288

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{180749}}^1$

素因数の和:180864

約数の個数: 20

約数和(自身を含む): 605151000

約数和(自身を除く): 295708712

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 180749, 361498, 722996, 1445992, 2891984, 19340143, 38680286, 77360572, 154721144, 309442288]

約数ペア:

[(1, 309442288), (2, 154721144), (4, 77360572), (8, 38680286), (16, 19340143), (107, 2891984), (214, 1445992), (428, 722996), (856, 361498), (1712, 180749)]