140001988

素因数分解:

$2^2\times 7^1\times {\mathrm{1429}}^1\times {\mathrm{3499}}^1$

素因数の和:4939

約数の個数: 24

約数和(自身を含む): 280280000

約数和(自身を除く): 140278012

約数列:

[1, 2, 4, 7, 14, 28, 1429, 2858, 3499, 5716, 6998, 10003, 13996, 20006, 24493, 40012, 48986, 97972, 5000071, 10000142, 20000284, 35000497, 70000994, 140001988]

約数ペア:

[(1, 140001988), (2, 70000994), (4, 35000497), (7, 20000284), (14, 10000142), (28, 5000071), (1429, 97972), (2858, 48986), (3499, 40012), (5716, 24493), (6998, 20006), (10003, 13996)]