208876370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{2441}}^1$

素因数の和:2690

約数の個数: 32

約数和(自身を含む): 386812800

約数和(自身を除く): 177936430

約数列:

[1, 2, 5, 10, 43, 86, 199, 215, 398, 430, 995, 1990, 2441, 4882, 8557, 12205, 17114, 24410, 42785, 85570, 104963, 209926, 485759, 524815, 971518, 1049630, 2428795, 4857590, 20887637, 41775274, 104438185, 208876370]

約数ペア:

[(1, 208876370), (2, 104438185), (5, 41775274), (10, 20887637), (43, 4857590), (86, 2428795), (199, 1049630), (215, 971518), (398, 524815), (430, 485759), (995, 209926), (1990, 104963), (2441, 85570), (4882, 42785), (8557, 24410), (12205, 17114)]