71254780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{23911}}^1$

素因数の和:24069

約数の個数: 24

約数和(自身を含む): 150645600

約数和(自身を除く): 79390820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 23911, 47822, 95644, 119555, 239110, 478220, 3562739, 7125478, 14250956, 17813695, 35627390, 71254780]

約数ペア:

[(1, 71254780), (2, 35627390), (4, 17813695), (5, 14250956), (10, 7125478), (20, 3562739), (149, 478220), (298, 239110), (596, 119555), (745, 95644), (1490, 47822), (2980, 23911)]