720715912

素因数分解:

$2^3\times 7^2\times {\mathrm{199}}^1\times {\mathrm{9239}}^1$

素因数の和:9458

約数の個数: 48

約数和(自身を含む): 1580040000

約数和(自身を除く): 859324088

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 199, 392, 398, 796, 1393, 1592, 2786, 5572, 9239, 9751, 11144, 18478, 19502, 36956, 39004, 64673, 73912, 78008, 129346, 258692, 452711, 517384, 905422, 1810844, 1838561, 3621688, 3677122, 7354244, 12869927, 14708488, 25739854, 51479708, 90089489, 102959416, 180178978, 360357956, 720715912]

約数ペア:

[(1, 720715912), (2, 360357956), (4, 180178978), (7, 102959416), (8, 90089489), (14, 51479708), (28, 25739854), (49, 14708488), (56, 12869927), (98, 7354244), (196, 3677122), (199, 3621688), (392, 1838561), (398, 1810844), (796, 905422), (1393, 517384), (1592, 452711), (2786, 258692), (5572, 129346), (9239, 78008), (9751, 73912), (11144, 64673), (18478, 39004), (19502, 36956)]