68817800

素因数分解:

$2^3\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1543}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 160823040

約数和(自身を除く): 92005240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 223, 446, 892, 1115, 1543, 1784, 2230, 3086, 4460, 5575, 6172, 7715, 8920, 11150, 12344, 15430, 22300, 30860, 38575, 44600, 61720, 77150, 154300, 308600, 344089, 688178, 1376356, 1720445, 2752712, 3440890, 6881780, 8602225, 13763560, 17204450, 34408900, 68817800]

約数ペア:

[(1, 68817800), (2, 34408900), (4, 17204450), (5, 13763560), (8, 8602225), (10, 6881780), (20, 3440890), (25, 2752712), (40, 1720445), (50, 1376356), (100, 688178), (200, 344089), (223, 308600), (446, 154300), (892, 77150), (1115, 61720), (1543, 44600), (1784, 38575), (2230, 30860), (3086, 22300), (4460, 15430), (5575, 12344), (6172, 11150), (7715, 8920)]