91489720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1693}}^1$

素因数の和:1904

約数の個数: 64

約数和(自身を含む): 236617920

約数和(自身を除く): 145128200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1351, 1544, 1693, 1930, 2702, 3386, 3860, 5404, 6755, 6772, 7720, 8465, 10808, 11851, 13510, 13544, 16930, 23702, 27020, 33860, 47404, 54040, 59255, 67720, 94808, 118510, 237020, 326749, 474040, 653498, 1306996, 1633745, 2287243, 2613992, 3267490, 4574486, 6534980, 9148972, 11436215, 13069960, 18297944, 22872430, 45744860, 91489720]

約数ペア:

[(1, 91489720), (2, 45744860), (4, 22872430), (5, 18297944), (7, 13069960), (8, 11436215), (10, 9148972), (14, 6534980), (20, 4574486), (28, 3267490), (35, 2613992), (40, 2287243), (56, 1633745), (70, 1306996), (140, 653498), (193, 474040), (280, 326749), (386, 237020), (772, 118510), (965, 94808), (1351, 67720), (1544, 59255), (1693, 54040), (1930, 47404), (2702, 33860), (3386, 27020), (3860, 23702), (5404, 16930), (6755, 13544), (6772, 13510), (7720, 11851), (8465, 10808)]