3948740

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1103}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 8346240

約数和(自身を除く): 4397500

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1103, 1790, 2206, 3580, 4412, 5515, 11030, 22060, 197437, 394874, 789748, 987185, 1974370, 3948740]

約数ペア:

[(1, 3948740), (2, 1974370), (4, 987185), (5, 789748), (10, 394874), (20, 197437), (179, 22060), (358, 11030), (716, 5515), (895, 4412), (1103, 3580), (1790, 2206)]