127907890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2923

約数の個数: 48

約数和(自身を含む): 259997976

約数和(自身を除く): 132090086

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 370, 407, 605, 814, 1210, 2035, 2857, 4070, 4477, 5714, 8954, 14285, 22385, 28570, 31427, 44770, 62854, 105709, 157135, 211418, 314270, 345697, 528545, 691394, 1057090, 1162799, 1728485, 2325598, 3456970, 5813995, 11627990, 12790789, 25581578, 63953945, 127907890]

約数ペア:

[(1, 127907890), (2, 63953945), (5, 25581578), (10, 12790789), (11, 11627990), (22, 5813995), (37, 3456970), (55, 2325598), (74, 1728485), (110, 1162799), (121, 1057090), (185, 691394), (242, 528545), (370, 345697), (407, 314270), (605, 211418), (814, 157135), (1210, 105709), (2035, 62854), (2857, 44770), (4070, 31427), (4477, 28570), (5714, 22385), (8954, 14285)]