166287380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{169681}}^1$

素因数の和:169704

約数の個数: 36

約数和(自身を含む): 406218708

約数和(自身を除く): 239931328

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 169681, 339362, 678724, 848405, 1187767, 1696810, 2375534, 3393620, 4751068, 5938835, 8314369, 11877670, 16628738, 23755340, 33257476, 41571845, 83143690, 166287380]

約数ペア:

[(1, 166287380), (2, 83143690), (4, 41571845), (5, 33257476), (7, 23755340), (10, 16628738), (14, 11877670), (20, 8314369), (28, 5938835), (35, 4751068), (49, 3393620), (70, 2375534), (98, 1696810), (140, 1187767), (196, 848405), (245, 678724), (490, 339362), (980, 169681)]