222564890

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{27109}}^1$

素因数の和:27937

約数の個数: 16

約数和(自身を含む): 401119560

約数和(自身を除く): 178554670

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 27109, 54218, 135545, 271090, 22256489, 44512978, 111282445, 222564890]

約数ペア:

[(1, 222564890), (2, 111282445), (5, 44512978), (10, 22256489), (821, 271090), (1642, 135545), (4105, 54218), (8210, 27109)]