201786970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3691}}^1$

素因数の和:3787

約数の個数: 64

約数和(自身を含む): 459343872

約数和(自身を除く): 257556902

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, 1562, 2485, 3691, 3905, 4970, 5467, 7382, 7810, 10934, 18455, 25837, 27335, 36910, 40601, 51674, 54670, 81202, 129185, 203005, 258370, 262061, 284207, 406010, 524122, 568414, 1310305, 1421035, 1834427, 2620610, 2842070, 2882671, 3668854, 5765342, 9172135, 14413355, 18344270, 20178697, 28826710, 40357394, 100893485, 201786970]

約数ペア:

[(1, 201786970), (2, 100893485), (5, 40357394), (7, 28826710), (10, 20178697), (11, 18344270), (14, 14413355), (22, 9172135), (35, 5765342), (55, 3668854), (70, 2882671), (71, 2842070), (77, 2620610), (110, 1834427), (142, 1421035), (154, 1310305), (355, 568414), (385, 524122), (497, 406010), (710, 284207), (770, 262061), (781, 258370), (994, 203005), (1562, 129185), (2485, 81202), (3691, 54670), (3905, 51674), (4970, 40601), (5467, 36910), (7382, 27335), (7810, 25837), (10934, 18455)]