30493960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108907}}^1$

素因数の和:108925

約数の個数: 32

約数和(自身を含む): 78413760

約数和(自身を除く): 47919800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108907, 217814, 435628, 544535, 762349, 871256, 1089070, 1524698, 2178140, 3049396, 3811745, 4356280, 6098792, 7623490, 15246980, 30493960]

約数ペア:

[(1, 30493960), (2, 15246980), (4, 7623490), (5, 6098792), (7, 4356280), (8, 3811745), (10, 3049396), (14, 2178140), (20, 1524698), (28, 1089070), (35, 871256), (40, 762349), (56, 544535), (70, 435628), (140, 217814), (280, 108907)]