222740180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{856693}}^1$

素因数の和:856715

約数の個数: 24

約数和(自身を含む): 503736072

約数和(自身を除く): 280995892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 856693, 1713386, 3426772, 4283465, 8566930, 11137009, 17133860, 22274018, 44548036, 55685045, 111370090, 222740180]

約数ペア:

[(1, 222740180), (2, 111370090), (4, 55685045), (5, 44548036), (10, 22274018), (13, 17133860), (20, 11137009), (26, 8566930), (52, 4283465), (65, 3426772), (130, 1713386), (260, 856693)]