8490340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22343}}^1$

素因数の和:22371

約数の個数: 24

約数和(自身を含む): 18768960

約数和(自身を除く): 10278620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22343, 44686, 89372, 111715, 223430, 424517, 446860, 849034, 1698068, 2122585, 4245170, 8490340]

約数ペア:

[(1, 8490340), (2, 4245170), (4, 2122585), (5, 1698068), (10, 849034), (19, 446860), (20, 424517), (38, 223430), (76, 111715), (95, 89372), (190, 44686), (380, 22343)]