220155730

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{121633}}^1$

素因数の和:121821

約数の個数: 16

約数和(自身を含む): 398472984

約数和(自身を除く): 178317254

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 121633, 243266, 608165, 1216330, 22015573, 44031146, 110077865, 220155730]

約数ペア:

[(1, 220155730), (2, 110077865), (5, 44031146), (10, 22015573), (181, 1216330), (362, 608165), (905, 243266), (1810, 121633)]