427812710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1413

約数の個数: 64

約数和(自身を含む): 867041280

約数和(自身を除く): 439228570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 83, 130, 155, 166, 310, 403, 415, 806, 830, 1079, 1279, 2015, 2158, 2558, 2573, 4030, 5146, 5395, 6395, 10790, 12790, 12865, 16627, 25730, 33254, 33449, 39649, 66898, 79298, 83135, 106157, 166270, 167245, 198245, 212314, 334490, 396490, 515437, 530785, 1030874, 1061570, 1380041, 2577185, 2760082, 3290867, 5154370, 6581734, 6900205, 13800410, 16454335, 32908670, 42781271, 85562542, 213906355, 427812710]

約数ペア:

[(1, 427812710), (2, 213906355), (5, 85562542), (10, 42781271), (13, 32908670), (26, 16454335), (31, 13800410), (62, 6900205), (65, 6581734), (83, 5154370), (130, 3290867), (155, 2760082), (166, 2577185), (310, 1380041), (403, 1061570), (415, 1030874), (806, 530785), (830, 515437), (1079, 396490), (1279, 334490), (2015, 212314), (2158, 198245), (2558, 167245), (2573, 166270), (4030, 106157), (5146, 83135), (5395, 79298), (6395, 66898), (10790, 39649), (12790, 33449), (12865, 33254), (16627, 25730)]