209969390

素因数分解:

$2^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{16811}}^1$

素因数の和:18067

約数の個数: 16

約数和(自身を含む): 378270000

約数和(自身を除く): 168300610

約数列:

[1, 2, 5, 10, 1249, 2498, 6245, 12490, 16811, 33622, 84055, 168110, 20996939, 41993878, 104984695, 209969390]

約数ペア:

[(1, 209969390), (2, 104984695), (5, 41993878), (10, 20996939), (1249, 168110), (2498, 84055), (6245, 33622), (12490, 16811)]