29886620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78649}}^1$

素因数の和:78677

約数の個数: 24

約数和(自身を含む): 66066000

約数和(自身を除く): 36179380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 78649, 157298, 314596, 393245, 786490, 1494331, 1572980, 2988662, 5977324, 7471655, 14943310, 29886620]

約数ペア:

[(1, 29886620), (2, 14943310), (4, 7471655), (5, 5977324), (10, 2988662), (19, 1572980), (20, 1494331), (38, 786490), (76, 393245), (95, 314596), (190, 157298), (380, 78649)]