138267920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{246907}}^1$

素因数の和:246927

約数の個数: 40

約数和(自身を含む): 367399104

約数和(自身を除く): 229131184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 246907, 493814, 987628, 1234535, 1728349, 1975256, 2469070, 3456698, 3950512, 4938140, 6913396, 8641745, 9876280, 13826792, 17283490, 19752560, 27653584, 34566980, 69133960, 138267920]

約数ペア:

[(1, 138267920), (2, 69133960), (4, 34566980), (5, 27653584), (7, 19752560), (8, 17283490), (10, 13826792), (14, 9876280), (16, 8641745), (20, 6913396), (28, 4938140), (35, 3950512), (40, 3456698), (56, 2469070), (70, 1975256), (80, 1728349), (112, 1234535), (140, 987628), (280, 493814), (560, 246907)]