3914960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{6991}}^1$

素因数の和:7011

約数の個数: 40

約数和(自身を含む): 10404096

約数和(自身を除く): 6489136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 6991, 13982, 27964, 34955, 48937, 55928, 69910, 97874, 111856, 139820, 195748, 244685, 279640, 391496, 489370, 559280, 782992, 978740, 1957480, 3914960]

約数ペア:

[(1, 3914960), (2, 1957480), (4, 978740), (5, 782992), (7, 559280), (8, 489370), (10, 391496), (14, 279640), (16, 244685), (20, 195748), (28, 139820), (35, 111856), (40, 97874), (56, 69910), (70, 55928), (80, 48937), (112, 34955), (140, 27964), (280, 13982), (560, 6991)]