38988460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{278489}}^1$

素因数の和:278505

約数の個数: 24

約数和(自身を含む): 93572640

約数和(自身を除く): 54584180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 278489, 556978, 1113956, 1392445, 1949423, 2784890, 3898846, 5569780, 7797692, 9747115, 19494230, 38988460]

約数ペア:

[(1, 38988460), (2, 19494230), (4, 9747115), (5, 7797692), (7, 5569780), (10, 3898846), (14, 2784890), (20, 1949423), (28, 1392445), (35, 1113956), (70, 556978), (140, 278489)]