208198100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{189271}}^1$

素因数の和:189296

約数の個数: 36

約数和(自身を含む): 492864288

約数和(自身を除く): 284666188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 189271, 378542, 757084, 946355, 1892710, 2081981, 3785420, 4163962, 4731775, 8327924, 9463550, 10409905, 18927100, 20819810, 41639620, 52049525, 104099050, 208198100]

約数ペア:

[(1, 208198100), (2, 104099050), (4, 52049525), (5, 41639620), (10, 20819810), (11, 18927100), (20, 10409905), (22, 9463550), (25, 8327924), (44, 4731775), (50, 4163962), (55, 3785420), (100, 2081981), (110, 1892710), (220, 946355), (275, 757084), (550, 378542), (1100, 189271)]