220852225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{73009}}^1$

素因数の和:73041

約数の個数: 18

約数和(自身を含む): 301020230

約数和(自身を除く): 80168005

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 73009, 365045, 803099, 1825225, 4015495, 8834089, 20077475, 44170445, 220852225]

約数ペア:

[(1, 220852225), (5, 44170445), (11, 20077475), (25, 8834089), (55, 4015495), (121, 1825225), (275, 803099), (605, 365045), (3025, 73009)]