204219790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{1889}}^1$

素因数の和:2484

約数の個数: 32

約数和(自身を含む): 387828000

約数和(自身を除く): 183608210

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 569, 1138, 1889, 2845, 3778, 5690, 9445, 10811, 18890, 21622, 35891, 54055, 71782, 108110, 179455, 358910, 1074841, 2149682, 5374205, 10748410, 20421979, 40843958, 102109895, 204219790]

約数ペア:

[(1, 204219790), (2, 102109895), (5, 40843958), (10, 20421979), (19, 10748410), (38, 5374205), (95, 2149682), (190, 1074841), (569, 358910), (1138, 179455), (1889, 108110), (2845, 71782), (3778, 54055), (5690, 35891), (9445, 21622), (10811, 18890)]