7420420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53003}}^1$

素因数の和:53019

約数の個数: 24

約数和(自身を含む): 17809344

約数和(自身を除く): 10388924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 53003, 106006, 212012, 265015, 371021, 530030, 742042, 1060060, 1484084, 1855105, 3710210, 7420420]

約数ペア:

[(1, 7420420), (2, 3710210), (4, 1855105), (5, 1484084), (7, 1060060), (10, 742042), (14, 530030), (20, 371021), (28, 265015), (35, 212012), (70, 106006), (140, 53003)]