28405570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149503}}^1$

素因数の和:149529

約数の個数: 16

約数和(自身を含む): 53821440

約数和(自身を除く): 25415870

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 149503, 299006, 747515, 1495030, 2840557, 5681114, 14202785, 28405570]

約数ペア:

[(1, 28405570), (2, 14202785), (5, 5681114), (10, 2840557), (19, 1495030), (38, 747515), (95, 299006), (190, 149503)]