208609870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2980141}}^1$

素因数の和:2980155

約数の個数: 16

約数和(自身を含む): 429140448

約数和(自身を除く): 220530578

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2980141, 5960282, 14900705, 20860987, 29801410, 41721974, 104304935, 208609870]

約数ペア:

[(1, 208609870), (2, 104304935), (5, 41721974), (7, 29801410), (10, 20860987), (14, 14900705), (35, 5960282), (70, 2980141)]