2018745800

素因数分解:

$2^3\times 5^2\times {\mathrm{1381}}^1\times {\mathrm{7309}}^1$

素因数の和:8706

約数の個数: 48

約数和(自身を含む): 4697625300

約数和(自身を除く): 2678879500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1381, 2762, 5524, 6905, 7309, 11048, 13810, 14618, 27620, 29236, 34525, 36545, 55240, 58472, 69050, 73090, 138100, 146180, 182725, 276200, 292360, 365450, 730900, 1461800, 10093729, 20187458, 40374916, 50468645, 80749832, 100937290, 201874580, 252343225, 403749160, 504686450, 1009372900, 2018745800]

約数ペア:

[(1, 2018745800), (2, 1009372900), (4, 504686450), (5, 403749160), (8, 252343225), (10, 201874580), (20, 100937290), (25, 80749832), (40, 50468645), (50, 40374916), (100, 20187458), (200, 10093729), (1381, 1461800), (2762, 730900), (5524, 365450), (6905, 292360), (7309, 276200), (11048, 182725), (13810, 146180), (14618, 138100), (27620, 73090), (29236, 69050), (34525, 58472), (36545, 55240)]