28787800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8467}}^1$

素因数の和:8500

約数の個数: 48

約数和(自身を含む): 70877160

約数和(自身を除く): 42089360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 8467, 16934, 33868, 42335, 67736, 84670, 143939, 169340, 211675, 287878, 338680, 423350, 575756, 719695, 846700, 1151512, 1439390, 1693400, 2878780, 3598475, 5757560, 7196950, 14393900, 28787800]

約数ペア:

[(1, 28787800), (2, 14393900), (4, 7196950), (5, 5757560), (8, 3598475), (10, 2878780), (17, 1693400), (20, 1439390), (25, 1151512), (34, 846700), (40, 719695), (50, 575756), (68, 423350), (85, 338680), (100, 287878), (136, 211675), (170, 169340), (200, 143939), (340, 84670), (425, 67736), (680, 42335), (850, 33868), (1700, 16934), (3400, 8467)]