291259220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2080423}}^1$

素因数の和:2080439

約数の個数: 24

約数和(自身を含む): 699022464

約数和(自身を除く): 407763244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2080423, 4160846, 8321692, 10402115, 14562961, 20804230, 29125922, 41608460, 58251844, 72814805, 145629610, 291259220]

約数ペア:

[(1, 291259220), (2, 145629610), (4, 72814805), (5, 58251844), (7, 41608460), (10, 29125922), (14, 20804230), (20, 14562961), (28, 10402115), (35, 8321692), (70, 4160846), (140, 2080423)]