89039420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{29879}}^1$

素因数の和:30037

約数の個数: 24

約数和(自身を含む): 188244000

約数和(自身を除く): 99204580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 29879, 59758, 119516, 149395, 298790, 597580, 4451971, 8903942, 17807884, 22259855, 44519710, 89039420]

約数ペア:

[(1, 89039420), (2, 44519710), (4, 22259855), (5, 17807884), (10, 8903942), (20, 4451971), (149, 597580), (298, 298790), (596, 149395), (745, 119516), (1490, 59758), (2980, 29879)]