790340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 1700160

約数和(自身を除く): 909820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 919, 1838, 3676, 4595, 9190, 18380, 39517, 79034, 158068, 197585, 395170, 790340]

約数ペア:

[(1, 790340), (2, 395170), (4, 197585), (5, 158068), (10, 79034), (20, 39517), (43, 18380), (86, 9190), (172, 4595), (215, 3676), (430, 1838), (860, 919)]