42759220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305423}}^1$

素因数の和:305439

約数の個数: 24

約数和(自身を含む): 102622464

約数和(自身を除く): 59863244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305423, 610846, 1221692, 1527115, 2137961, 3054230, 4275922, 6108460, 8551844, 10689805, 21379610, 42759220]

約数ペア:

[(1, 42759220), (2, 21379610), (4, 10689805), (5, 8551844), (7, 6108460), (10, 4275922), (14, 3054230), (20, 2137961), (28, 1527115), (35, 1221692), (70, 610846), (140, 305423)]