68903690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2609}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 131544000

約数和(自身を除く): 62640310

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 2609, 2641, 5218, 5282, 13045, 13205, 26090, 26410, 49571, 99142, 247855, 362651, 495710, 725302, 1813255, 3626510, 6890369, 13780738, 34451845, 68903690]

約数ペア:

[(1, 68903690), (2, 34451845), (5, 13780738), (10, 6890369), (19, 3626510), (38, 1813255), (95, 725302), (139, 495710), (190, 362651), (278, 247855), (695, 99142), (1390, 49571), (2609, 26410), (2641, 26090), (5218, 13205), (5282, 13045)]