1540420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11003}}^1$

素因数の和:11019

約数の個数: 24

約数和(自身を含む): 3697344

約数和(自身を除く): 2156924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11003, 22006, 44012, 55015, 77021, 110030, 154042, 220060, 308084, 385105, 770210, 1540420]

約数ペア:

[(1, 1540420), (2, 770210), (4, 385105), (5, 308084), (7, 220060), (10, 154042), (14, 110030), (20, 77021), (28, 55015), (35, 44012), (70, 22006), (140, 11003)]