630315020

素因数分解:

$2^2\times 5^1\times {\mathrm{2441}}^1\times {\mathrm{12911}}^1$

素因数の和:15361

約数の個数: 24

約数和(自身を含む): 1324306368

約数和(自身を除く): 693991348

約数列:

[1, 2, 4, 5, 10, 20, 2441, 4882, 9764, 12205, 12911, 24410, 25822, 48820, 51644, 64555, 129110, 258220, 31515751, 63031502, 126063004, 157578755, 315157510, 630315020]

約数ペア:

[(1, 630315020), (2, 315157510), (4, 157578755), (5, 126063004), (10, 63031502), (20, 31515751), (2441, 258220), (4882, 129110), (9764, 64555), (12205, 51644), (12911, 48820), (24410, 25822)]