2783139740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{54851}}^1$

素因数の和:54962

約数の個数: 48

約数和(自身を含む): 6081989760

約数和(自身を除く): 3298850020

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 2537, 5074, 10148, 12685, 25370, 50740, 54851, 109702, 219404, 274255, 548510, 1097020, 2358593, 3236209, 4717186, 6472418, 9434372, 11792965, 12944836, 16181045, 23585930, 32362090, 47171860, 64724180, 139156987, 278313974, 556627948, 695784935, 1391569870, 2783139740]

約数ペア:

[(1, 2783139740), (2, 1391569870), (4, 695784935), (5, 556627948), (10, 278313974), (20, 139156987), (43, 64724180), (59, 47171860), (86, 32362090), (118, 23585930), (172, 16181045), (215, 12944836), (236, 11792965), (295, 9434372), (430, 6472418), (590, 4717186), (860, 3236209), (1180, 2358593), (2537, 1097020), (5074, 548510), (10148, 274255), (12685, 219404), (25370, 109702), (50740, 54851)]