438041420

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{20879}}^1$

素因数の和:21937

約数の個数: 24

約数和(自身を含む): 920808000

約数和(自身を除く): 482766580

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2098, 4196, 5245, 10490, 20879, 20980, 41758, 83516, 104395, 208790, 417580, 21902071, 43804142, 87608284, 109510355, 219020710, 438041420]

約数ペア:

[(1, 438041420), (2, 219020710), (4, 109510355), (5, 87608284), (10, 43804142), (20, 21902071), (1049, 417580), (2098, 208790), (4196, 104395), (5245, 83516), (10490, 41758), (20879, 20980)]