78498140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{560701}}^1$

素因数の和:560717

約数の個数: 24

約数和(自身を含む): 188395872

約数和(自身を除く): 109897732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 560701, 1121402, 2242804, 2803505, 3924907, 5607010, 7849814, 11214020, 15699628, 19624535, 39249070, 78498140]

約数ペア:

[(1, 78498140), (2, 39249070), (4, 19624535), (5, 15699628), (7, 11214020), (10, 7849814), (14, 5607010), (20, 3924907), (28, 2803505), (35, 2242804), (70, 1121402), (140, 560701)]