220474705

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{373}}^1\times {\mathrm{977}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 291886056

約数和(自身を除く): 71411351

約数列:

[1, 5, 11, 55, 121, 373, 605, 977, 1865, 4103, 4885, 10747, 20515, 45133, 53735, 118217, 225665, 364421, 591085, 1822105, 4008631, 20043155, 44094941, 220474705]

約数ペア:

[(1, 220474705), (5, 44094941), (11, 20043155), (55, 4008631), (121, 1822105), (373, 591085), (605, 364421), (977, 225665), (1865, 118217), (4103, 53735), (4885, 45133), (10747, 20515)]