2021885000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{21283}}^1$

素因数の和:21328

約数の個数: 80

約数和(自身を含む): 4986841200

約数和(自身を除く): 2964956200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 625, 760, 950, 1000, 1250, 1900, 2375, 2500, 3800, 4750, 5000, 9500, 11875, 19000, 21283, 23750, 42566, 47500, 85132, 95000, 106415, 170264, 212830, 404377, 425660, 532075, 808754, 851320, 1064150, 1617508, 2021885, 2128300, 2660375, 3235016, 4043770, 4256600, 5320750, 8087540, 10109425, 10641500, 13301875, 16175080, 20218850, 21283000, 26603750, 40437700, 50547125, 53207500, 80875400, 101094250, 106415000, 202188500, 252735625, 404377000, 505471250, 1010942500, 2021885000]

約数ペア:

[(1, 2021885000), (2, 1010942500), (4, 505471250), (5, 404377000), (8, 252735625), (10, 202188500), (19, 106415000), (20, 101094250), (25, 80875400), (38, 53207500), (40, 50547125), (50, 40437700), (76, 26603750), (95, 21283000), (100, 20218850), (125, 16175080), (152, 13301875), (190, 10641500), (200, 10109425), (250, 8087540), (380, 5320750), (475, 4256600), (500, 4043770), (625, 3235016), (760, 2660375), (950, 2128300), (1000, 2021885), (1250, 1617508), (1900, 1064150), (2375, 851320), (2500, 808754), (3800, 532075), (4750, 425660), (5000, 404377), (9500, 212830), (11875, 170264), (19000, 106415), (21283, 95000), (23750, 85132), (42566, 47500)]