123878590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2767}}^1$

素因数の和:2833

約数の個数: 48

約数和(自身を含む): 251810496

約数和(自身を除く): 127931906

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 370, 407, 605, 814, 1210, 2035, 2767, 4070, 4477, 5534, 8954, 13835, 22385, 27670, 30437, 44770, 60874, 102379, 152185, 204758, 304370, 334807, 511895, 669614, 1023790, 1126169, 1674035, 2252338, 3348070, 5630845, 11261690, 12387859, 24775718, 61939295, 123878590]

約数ペア:

[(1, 123878590), (2, 61939295), (5, 24775718), (10, 12387859), (11, 11261690), (22, 5630845), (37, 3348070), (55, 2252338), (74, 1674035), (110, 1126169), (121, 1023790), (185, 669614), (242, 511895), (370, 334807), (407, 304370), (605, 204758), (814, 152185), (1210, 102379), (2035, 60874), (2767, 44770), (4070, 30437), (4477, 27670), (5534, 22385), (8954, 13835)]