68669090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 144555192

約数和(自身を除く): 75886102

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 353, 397, 490, 706, 794, 1765, 1985, 2471, 2779, 3530, 3970, 4942, 5558, 12355, 13895, 17297, 19453, 24710, 27790, 34594, 38906, 86485, 97265, 140141, 172970, 194530, 280282, 700705, 980987, 1401410, 1961974, 4904935, 6866909, 9809870, 13733818, 34334545, 68669090]

約数ペア:

[(1, 68669090), (2, 34334545), (5, 13733818), (7, 9809870), (10, 6866909), (14, 4904935), (35, 1961974), (49, 1401410), (70, 980987), (98, 700705), (245, 280282), (353, 194530), (397, 172970), (490, 140141), (706, 97265), (794, 86485), (1765, 38906), (1985, 34594), (2471, 27790), (2779, 24710), (3530, 19453), (3970, 17297), (4942, 13895), (5558, 12355)]