1866620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 4569600

約数和(自身を除く): 2702980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 199, 268, 335, 398, 469, 670, 796, 938, 995, 1340, 1393, 1876, 1990, 2345, 2786, 3980, 4690, 5572, 6965, 9380, 13333, 13930, 26666, 27860, 53332, 66665, 93331, 133330, 186662, 266660, 373324, 466655, 933310, 1866620]

約数ペア:

[(1, 1866620), (2, 933310), (4, 466655), (5, 373324), (7, 266660), (10, 186662), (14, 133330), (20, 93331), (28, 66665), (35, 53332), (67, 27860), (70, 26666), (134, 13930), (140, 13333), (199, 9380), (268, 6965), (335, 5572), (398, 4690), (469, 3980), (670, 2786), (796, 2345), (938, 1990), (995, 1876), (1340, 1393)]