655631750

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 1275056640

約数和(自身を除く): 619424890

約数列:

[1, 2, 5, 10, 25, 43, 50, 71, 86, 125, 142, 215, 250, 355, 430, 710, 859, 1075, 1718, 1775, 2150, 3053, 3550, 4295, 5375, 6106, 8590, 8875, 10750, 15265, 17750, 21475, 30530, 36937, 42950, 60989, 73874, 76325, 107375, 121978, 152650, 184685, 214750, 304945, 369370, 381625, 609890, 763250, 923425, 1524725, 1846850, 2622527, 3049450, 4617125, 5245054, 7623625, 9234250, 13112635, 15247250, 26225270, 65563175, 131126350, 327815875, 655631750]

約数ペア:

[(1, 655631750), (2, 327815875), (5, 131126350), (10, 65563175), (25, 26225270), (43, 15247250), (50, 13112635), (71, 9234250), (86, 7623625), (125, 5245054), (142, 4617125), (215, 3049450), (250, 2622527), (355, 1846850), (430, 1524725), (710, 923425), (859, 763250), (1075, 609890), (1718, 381625), (1775, 369370), (2150, 304945), (3053, 214750), (3550, 184685), (4295, 152650), (5375, 121978), (6106, 107375), (8590, 76325), (8875, 73874), (10750, 60989), (15265, 42950), (17750, 36937), (21475, 30530)]