248796890

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{79999}}^1$

素因数の和:80317

約数の個数: 16

約数和(自身を含む): 449280000

約数和(自身を除く): 200483110

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 79999, 159998, 399995, 799990, 24879689, 49759378, 124398445, 248796890]

約数ペア:

[(1, 248796890), (2, 124398445), (5, 49759378), (10, 24879689), (311, 799990), (622, 399995), (1555, 159998), (3110, 79999)]