208339000

素因数分解:

$2^3\times 5^3\times {\mathrm{157}}^1\times {\mathrm{1327}}^1$

素因数の和:1505

約数の個数: 64

約数和(自身を含む): 490988160

約数和(自身を除く): 282649160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 157, 200, 250, 314, 500, 628, 785, 1000, 1256, 1327, 1570, 2654, 3140, 3925, 5308, 6280, 6635, 7850, 10616, 13270, 15700, 19625, 26540, 31400, 33175, 39250, 53080, 66350, 78500, 132700, 157000, 165875, 208339, 265400, 331750, 416678, 663500, 833356, 1041695, 1327000, 1666712, 2083390, 4166780, 5208475, 8333560, 10416950, 20833900, 26042375, 41667800, 52084750, 104169500, 208339000]

約数ペア:

[(1, 208339000), (2, 104169500), (4, 52084750), (5, 41667800), (8, 26042375), (10, 20833900), (20, 10416950), (25, 8333560), (40, 5208475), (50, 4166780), (100, 2083390), (125, 1666712), (157, 1327000), (200, 1041695), (250, 833356), (314, 663500), (500, 416678), (628, 331750), (785, 265400), (1000, 208339), (1256, 165875), (1327, 157000), (1570, 132700), (2654, 78500), (3140, 66350), (3925, 53080), (5308, 39250), (6280, 33175), (6635, 31400), (7850, 26540), (10616, 19625), (13270, 15700)]