11189780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 27046656

約数和(自身を除く): 15856876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 311, 514, 622, 1028, 1244, 1285, 1555, 1799, 2177, 2570, 3110, 3598, 4354, 5140, 6220, 7196, 8708, 8995, 10885, 17990, 21770, 35980, 43540, 79927, 159854, 319708, 399635, 559489, 799270, 1118978, 1598540, 2237956, 2797445, 5594890, 11189780]

約数ペア:

[(1, 11189780), (2, 5594890), (4, 2797445), (5, 2237956), (7, 1598540), (10, 1118978), (14, 799270), (20, 559489), (28, 399635), (35, 319708), (70, 159854), (140, 79927), (257, 43540), (311, 35980), (514, 21770), (622, 17990), (1028, 10885), (1244, 8995), (1285, 8708), (1555, 7196), (1799, 6220), (2177, 5140), (2570, 4354), (3110, 3598)]