157396120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{562129}}^1$

素因数の和:562147

約数の個数: 32

約数和(自身を含む): 404733600

約数和(自身を除く): 247337480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 562129, 1124258, 2248516, 2810645, 3934903, 4497032, 5621290, 7869806, 11242580, 15739612, 19674515, 22485160, 31479224, 39349030, 78698060, 157396120]

約数ペア:

[(1, 157396120), (2, 78698060), (4, 39349030), (5, 31479224), (7, 22485160), (8, 19674515), (10, 15739612), (14, 11242580), (20, 7869806), (28, 5621290), (35, 4497032), (40, 3934903), (56, 2810645), (70, 2248516), (140, 1124258), (280, 562129)]