8819690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 18012456

約数和(自身を除く): 9192766

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 197, 242, 370, 394, 407, 605, 814, 985, 1210, 1970, 2035, 2167, 4070, 4334, 4477, 7289, 8954, 10835, 14578, 21670, 22385, 23837, 36445, 44770, 47674, 72890, 80179, 119185, 160358, 238370, 400895, 801790, 881969, 1763938, 4409845, 8819690]

約数ペア:

[(1, 8819690), (2, 4409845), (5, 1763938), (10, 881969), (11, 801790), (22, 400895), (37, 238370), (55, 160358), (74, 119185), (110, 80179), (121, 72890), (185, 47674), (197, 44770), (242, 36445), (370, 23837), (394, 22385), (407, 21670), (605, 14578), (814, 10835), (985, 8954), (1210, 7289), (1970, 4477), (2035, 4334), (2167, 4070)]