155217260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{705533}}^1$

素因数の和:705553

約数の個数: 24

約数和(自身を含む): 355589136

約数和(自身を除く): 200371876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 705533, 1411066, 2822132, 3527665, 7055330, 7760863, 14110660, 15521726, 31043452, 38804315, 77608630, 155217260]

約数ペア:

[(1, 155217260), (2, 77608630), (4, 38804315), (5, 31043452), (10, 15521726), (11, 14110660), (20, 7760863), (22, 7055330), (44, 3527665), (55, 2822132), (110, 1411066), (220, 705533)]