78909110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{161039}}^1$

素因数の和:161060

約数の個数: 24

約数和(自身を含む): 165227040

約数和(自身を除く): 86317930

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 161039, 322078, 805195, 1127273, 1610390, 2254546, 5636365, 7890911, 11272730, 15781822, 39454555, 78909110]

約数ペア:

[(1, 78909110), (2, 39454555), (5, 15781822), (7, 11272730), (10, 7890911), (14, 5636365), (35, 2254546), (49, 1610390), (70, 1127273), (98, 805195), (245, 322078), (490, 161039)]