426012760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 972871200

約数和(自身を除く): 546858440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 193, 278, 386, 397, 556, 695, 772, 794, 965, 1112, 1390, 1544, 1588, 1930, 1985, 2780, 3176, 3860, 3970, 5560, 7720, 7940, 15880, 26827, 53654, 55183, 76621, 107308, 110366, 134135, 153242, 214616, 220732, 268270, 275915, 306484, 383105, 441464, 536540, 551830, 612968, 766210, 1073080, 1103660, 1532420, 2207320, 3064840, 10650319, 21300638, 42601276, 53251595, 85202552, 106503190, 213006380, 426012760]

約数ペア:

[(1, 426012760), (2, 213006380), (4, 106503190), (5, 85202552), (8, 53251595), (10, 42601276), (20, 21300638), (40, 10650319), (139, 3064840), (193, 2207320), (278, 1532420), (386, 1103660), (397, 1073080), (556, 766210), (695, 612968), (772, 551830), (794, 536540), (965, 441464), (1112, 383105), (1390, 306484), (1544, 275915), (1588, 268270), (1930, 220732), (1985, 214616), (2780, 153242), (3176, 134135), (3860, 110366), (3970, 107308), (5560, 76621), (7720, 55183), (7940, 53654), (15880, 26827)]