1211020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 2566368

約数和(自身を除く): 1355348

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 401, 604, 755, 802, 1510, 1604, 2005, 3020, 4010, 8020, 60551, 121102, 242204, 302755, 605510, 1211020]

約数ペア:

[(1, 1211020), (2, 605510), (4, 302755), (5, 242204), (10, 121102), (20, 60551), (151, 8020), (302, 4010), (401, 3020), (604, 2005), (755, 1604), (802, 1510)]