172337480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{615491}}^1$

素因数の和:615509

約数の個数: 32

約数和(自身を含む): 443154240

約数和(自身を除く): 270816760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 615491, 1230982, 2461964, 3077455, 4308437, 4923928, 6154910, 8616874, 12309820, 17233748, 21542185, 24619640, 34467496, 43084370, 86168740, 172337480]

約数ペア:

[(1, 172337480), (2, 86168740), (4, 43084370), (5, 34467496), (7, 24619640), (8, 21542185), (10, 17233748), (14, 12309820), (20, 8616874), (28, 6154910), (35, 4923928), (40, 4308437), (56, 3077455), (70, 2461964), (140, 1230982), (280, 615491)]