208872240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{870301}}^1$

素因数の和:870317

約数の個数: 40

約数和(自身を含む): 647504688

約数和(自身を除く): 438632448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 870301, 1740602, 2610903, 3481204, 4351505, 5221806, 6962408, 8703010, 10443612, 13054515, 13924816, 17406020, 20887224, 26109030, 34812040, 41774448, 52218060, 69624080, 104436120, 208872240]

約数ペア:

[(1, 208872240), (2, 104436120), (3, 69624080), (4, 52218060), (5, 41774448), (6, 34812040), (8, 26109030), (10, 20887224), (12, 17406020), (15, 13924816), (16, 13054515), (20, 10443612), (24, 8703010), (30, 6962408), (40, 5221806), (48, 4351505), (60, 3481204), (80, 2610903), (120, 1740602), (240, 870301)]