203906720

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2903}}^1$

素因数の和:3357

約数の個数: 48

約数和(自身を含む): 482993280

約数和(自身を除く): 279086560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 2903, 3512, 4390, 5806, 7024, 8780, 11612, 14048, 14515, 17560, 23224, 29030, 35120, 46448, 58060, 70240, 92896, 116120, 232240, 464480, 1274417, 2548834, 5097668, 6372085, 10195336, 12744170, 20390672, 25488340, 40781344, 50976680, 101953360, 203906720]

約数ペア:

[(1, 203906720), (2, 101953360), (4, 50976680), (5, 40781344), (8, 25488340), (10, 20390672), (16, 12744170), (20, 10195336), (32, 6372085), (40, 5097668), (80, 2548834), (160, 1274417), (439, 464480), (878, 232240), (1756, 116120), (2195, 92896), (2903, 70240), (3512, 58060), (4390, 46448), (5806, 35120), (7024, 29030), (8780, 23224), (11612, 17560), (14048, 14515)]