13898920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{49639}}^1$

素因数の和:49657

約数の個数: 32

約数和(自身を含む): 35740800

約数和(自身を除く): 21841880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 49639, 99278, 198556, 248195, 347473, 397112, 496390, 694946, 992780, 1389892, 1737365, 1985560, 2779784, 3474730, 6949460, 13898920]

約数ペア:

[(1, 13898920), (2, 6949460), (4, 3474730), (5, 2779784), (7, 1985560), (8, 1737365), (10, 1389892), (14, 992780), (20, 694946), (28, 496390), (35, 397112), (40, 347473), (56, 248195), (70, 198556), (140, 99278), (280, 49639)]