788894380

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{200227}}^1$

素因数の和:200433

約数の個数: 24

約数和(自身を含む): 1665096048

約数和(自身を除く): 876201668

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 200227, 400454, 800908, 1001135, 2002270, 4004540, 39444719, 78889438, 157778876, 197223595, 394447190, 788894380]

約数ペア:

[(1, 788894380), (2, 394447190), (4, 197223595), (5, 157778876), (10, 78889438), (20, 39444719), (197, 4004540), (394, 2002270), (788, 1001135), (985, 800908), (1970, 400454), (3940, 200227)]