54505990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 124167168

約数和(自身を除く): 69661178

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 997, 1562, 1994, 2485, 3905, 4970, 4985, 5467, 6979, 7810, 9970, 10934, 10967, 13958, 21934, 27335, 34895, 54670, 54835, 69790, 70787, 76769, 109670, 141574, 153538, 353935, 383845, 495509, 707870, 767690, 778657, 991018, 1557314, 2477545, 3893285, 4955090, 5450599, 7786570, 10901198, 27252995, 54505990]

約数ペア:

[(1, 54505990), (2, 27252995), (5, 10901198), (7, 7786570), (10, 5450599), (11, 4955090), (14, 3893285), (22, 2477545), (35, 1557314), (55, 991018), (70, 778657), (71, 767690), (77, 707870), (110, 495509), (142, 383845), (154, 353935), (355, 153538), (385, 141574), (497, 109670), (710, 76769), (770, 70787), (781, 69790), (994, 54835), (997, 54670), (1562, 34895), (1994, 27335), (2485, 21934), (3905, 13958), (4970, 10967), (4985, 10934), (5467, 9970), (6979, 7810)]