393739220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2812423}}^1$

素因数の和:2812439

約数の個数: 24

約数和(自身を含む): 944974464

約数和(自身を除く): 551235244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2812423, 5624846, 11249692, 14062115, 19686961, 28124230, 39373922, 56248460, 78747844, 98434805, 196869610, 393739220]

約数ペア:

[(1, 393739220), (2, 196869610), (4, 98434805), (5, 78747844), (7, 56248460), (10, 39373922), (14, 28124230), (20, 19686961), (28, 14062115), (35, 11249692), (70, 5624846), (140, 2812423)]