117880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{421}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 303840

約数和(自身を除く): 185960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 421, 842, 1684, 2105, 2947, 3368, 4210, 5894, 8420, 11788, 14735, 16840, 23576, 29470, 58940, 117880]

約数ペア:

[(1, 117880), (2, 58940), (4, 29470), (5, 23576), (7, 16840), (8, 14735), (10, 11788), (14, 8420), (20, 5894), (28, 4210), (35, 3368), (40, 2947), (56, 2105), (70, 1684), (140, 842), (280, 421)]