140487620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77191}}^1$

素因数の和:77220

約数の個数: 48

約数和(自身を含む): 363111168

約数和(自身を除く): 222623548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 77191, 154382, 308764, 385955, 540337, 771910, 1003483, 1080674, 1543820, 2006966, 2161348, 2701685, 4013932, 5017415, 5403370, 7024381, 10034830, 10806740, 14048762, 20069660, 28097524, 35121905, 70243810, 140487620]

約数ペア:

[(1, 140487620), (2, 70243810), (4, 35121905), (5, 28097524), (7, 20069660), (10, 14048762), (13, 10806740), (14, 10034830), (20, 7024381), (26, 5403370), (28, 5017415), (35, 4013932), (52, 2701685), (65, 2161348), (70, 2006966), (91, 1543820), (130, 1080674), (140, 1003483), (182, 771910), (260, 540337), (364, 385955), (455, 308764), (910, 154382), (1820, 77191)]