209137490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{264731}}^1$

素因数の和:264817

約数の個数: 16

約数和(自身を含む): 381214080

約数和(自身を除く): 172076590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 264731, 529462, 1323655, 2647310, 20913749, 41827498, 104568745, 209137490]

約数ペア:

[(1, 209137490), (2, 104568745), (5, 41827498), (10, 20913749), (79, 2647310), (158, 1323655), (395, 529462), (790, 264731)]