138551840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123707}}^1$

素因数の和:123729

約数の個数: 48

約数和(自身を含む): 374092992

約数和(自身を除く): 235541152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 123707, 247414, 494828, 618535, 865949, 989656, 1237070, 1731898, 1979312, 2474140, 3463796, 3958624, 4329745, 4948280, 6927592, 8659490, 9896560, 13855184, 17318980, 19793120, 27710368, 34637960, 69275920, 138551840]

約数ペア:

[(1, 138551840), (2, 69275920), (4, 34637960), (5, 27710368), (7, 19793120), (8, 17318980), (10, 13855184), (14, 9896560), (16, 8659490), (20, 6927592), (28, 4948280), (32, 4329745), (35, 3958624), (40, 3463796), (56, 2474140), (70, 1979312), (80, 1731898), (112, 1237070), (140, 989656), (160, 865949), (224, 618535), (280, 494828), (560, 247414), (1120, 123707)]