201984100

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{10253}}^1$

素因数の和:10464

約数の個数: 36

約数和(自身を含む): 440573364

約数和(自身を除く): 238589264

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4925, 9850, 10253, 19700, 20506, 41012, 51265, 102530, 205060, 256325, 512650, 1025300, 2019841, 4039682, 8079364, 10099205, 20198410, 40396820, 50496025, 100992050, 201984100]

約数ペア:

[(1, 201984100), (2, 100992050), (4, 50496025), (5, 40396820), (10, 20198410), (20, 10099205), (25, 8079364), (50, 4039682), (100, 2019841), (197, 1025300), (394, 512650), (788, 256325), (985, 205060), (1970, 102530), (3940, 51265), (4925, 41012), (9850, 20506), (10253, 19700)]