257838190

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{353203}}^1$

素因数の和:353283

約数の個数: 16

約数和(自身を含む): 470467728

約数和(自身を除く): 212629538

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 353203, 706406, 1766015, 3532030, 25783819, 51567638, 128919095, 257838190]

約数ペア:

[(1, 257838190), (2, 128919095), (5, 51567638), (10, 25783819), (73, 3532030), (146, 1766015), (365, 706406), (730, 353203)]