207170780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1\times {\mathrm{653}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 451573920

約数和(自身を除く): 244403140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 547, 580, 653, 1094, 1306, 2188, 2612, 2735, 3265, 5470, 6530, 10940, 13060, 15863, 18937, 31726, 37874, 63452, 75748, 79315, 94685, 158630, 189370, 317260, 357191, 378740, 714382, 1428764, 1785955, 3571910, 7143820, 10358539, 20717078, 41434156, 51792695, 103585390, 207170780]

約数ペア:

[(1, 207170780), (2, 103585390), (4, 51792695), (5, 41434156), (10, 20717078), (20, 10358539), (29, 7143820), (58, 3571910), (116, 1785955), (145, 1428764), (290, 714382), (547, 378740), (580, 357191), (653, 317260), (1094, 189370), (1306, 158630), (2188, 94685), (2612, 79315), (2735, 75748), (3265, 63452), (5470, 37874), (6530, 31726), (10940, 18937), (13060, 15863)]