121030420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{864503}}^1$

素因数の和:864519

約数の個数: 24

約数和(自身を含む): 290473344

約数和(自身を除く): 169442924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 864503, 1729006, 3458012, 4322515, 6051521, 8645030, 12103042, 17290060, 24206084, 30257605, 60515210, 121030420]

約数ペア:

[(1, 121030420), (2, 60515210), (4, 30257605), (5, 24206084), (7, 17290060), (10, 12103042), (14, 8645030), (20, 6051521), (28, 4322515), (35, 3458012), (70, 1729006), (140, 864503)]