2017736620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1\times {\mathrm{1277}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 4272609600

約数和(自身を除く): 2254872980

約数列:

[1, 2, 4, 5, 10, 20, 199, 397, 398, 794, 796, 995, 1277, 1588, 1985, 1990, 2554, 3970, 3980, 5108, 6385, 7940, 12770, 25540, 79003, 158006, 254123, 316012, 395015, 506969, 508246, 790030, 1013938, 1016492, 1270615, 1580060, 2027876, 2534845, 2541230, 5069690, 5082460, 10139380, 100886831, 201773662, 403547324, 504434155, 1008868310, 2017736620]

約数ペア:

[(1, 2017736620), (2, 1008868310), (4, 504434155), (5, 403547324), (10, 201773662), (20, 100886831), (199, 10139380), (397, 5082460), (398, 5069690), (794, 2541230), (796, 2534845), (995, 2027876), (1277, 1580060), (1588, 1270615), (1985, 1016492), (1990, 1013938), (2554, 790030), (3970, 508246), (3980, 506969), (5108, 395015), (6385, 316012), (7940, 254123), (12770, 158006), (25540, 79003)]