788608820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{39869}}^1$

素因数の和:39944

約数の個数: 48

約数和(自身を含む): 1768314240

約数和(自身を除く): 979705420

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 19780, 39869, 79738, 159476, 199345, 398690, 797380, 916987, 1714367, 1833974, 3428734, 3667948, 4584935, 6857468, 8571835, 9169870, 17143670, 18339740, 34287340, 39430441, 78860882, 157721764, 197152205, 394304410, 788608820]

約数ペア:

[(1, 788608820), (2, 394304410), (4, 197152205), (5, 157721764), (10, 78860882), (20, 39430441), (23, 34287340), (43, 18339740), (46, 17143670), (86, 9169870), (92, 8571835), (115, 6857468), (172, 4584935), (215, 3667948), (230, 3428734), (430, 1833974), (460, 1714367), (860, 916987), (989, 797380), (1978, 398690), (3956, 199345), (4945, 159476), (9890, 79738), (19780, 39869)]