2651180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 6592320

約数和(自身を除く): 3941140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 653, 812, 1015, 1306, 2030, 2612, 3265, 4060, 4571, 6530, 9142, 13060, 18284, 18937, 22855, 37874, 45710, 75748, 91420, 94685, 132559, 189370, 265118, 378740, 530236, 662795, 1325590, 2651180]

約数ペア:

[(1, 2651180), (2, 1325590), (4, 662795), (5, 530236), (7, 378740), (10, 265118), (14, 189370), (20, 132559), (28, 94685), (29, 91420), (35, 75748), (58, 45710), (70, 37874), (116, 22855), (140, 18937), (145, 18284), (203, 13060), (290, 9142), (406, 6530), (580, 4571), (653, 4060), (812, 3265), (1015, 2612), (1306, 2030)]