207675560

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{37897}}^1$

素因数の和:38045

約数の個数: 32

約数和(自身を含む): 470693160

約数和(自身を除く): 263017600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 37897, 75794, 151588, 189485, 303176, 378970, 757940, 1515880, 5191889, 10383778, 20767556, 25959445, 41535112, 51918890, 103837780, 207675560]

約数ペア:

[(1, 207675560), (2, 103837780), (4, 51918890), (5, 41535112), (8, 25959445), (10, 20767556), (20, 10383778), (40, 5191889), (137, 1515880), (274, 757940), (548, 378970), (685, 303176), (1096, 189485), (1370, 151588), (2740, 75794), (5480, 37897)]