108642520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{388009}}^1$

素因数の和:388027

約数の個数: 32

約数和(自身を含む): 279367200

約数和(自身を除く): 170724680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 388009, 776018, 1552036, 1940045, 2716063, 3104072, 3880090, 5432126, 7760180, 10864252, 13580315, 15520360, 21728504, 27160630, 54321260, 108642520]

約数ペア:

[(1, 108642520), (2, 54321260), (4, 27160630), (5, 21728504), (7, 15520360), (8, 13580315), (10, 10864252), (14, 7760180), (20, 5432126), (28, 3880090), (35, 3104072), (40, 2716063), (56, 1940045), (70, 1552036), (140, 776018), (280, 388009)]