111142640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{198469}}^1$

素因数の和:198489

約数の個数: 40

約数和(自身を含む): 295323360

約数和(自身を除く): 184180720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 198469, 396938, 793876, 992345, 1389283, 1587752, 1984690, 2778566, 3175504, 3969380, 5557132, 6946415, 7938760, 11114264, 13892830, 15877520, 22228528, 27785660, 55571320, 111142640]

約数ペア:

[(1, 111142640), (2, 55571320), (4, 27785660), (5, 22228528), (7, 15877520), (8, 13892830), (10, 11114264), (14, 7938760), (16, 6946415), (20, 5557132), (28, 3969380), (35, 3175504), (40, 2778566), (56, 1984690), (70, 1587752), (80, 1389283), (112, 992345), (140, 793876), (280, 396938), (560, 198469)]