199965020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{270223}}^1$

素因数の和:270269

約数の個数: 24

約数和(自身を含む): 431277504

約数和(自身を除く): 231312484

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 270223, 540446, 1080892, 1351115, 2702230, 5404460, 9998251, 19996502, 39993004, 49991255, 99982510, 199965020]

約数ペア:

[(1, 199965020), (2, 99982510), (4, 49991255), (5, 39993004), (10, 19996502), (20, 9998251), (37, 5404460), (74, 2702230), (148, 1351115), (185, 1080892), (370, 540446), (740, 270223)]