91117880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{325421}}^1$

素因数の和:325439

約数の個数: 32

約数和(自身を含む): 234303840

約数和(自身を除く): 143185960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 325421, 650842, 1301684, 1627105, 2277947, 2603368, 3254210, 4555894, 6508420, 9111788, 11389735, 13016840, 18223576, 22779470, 45558940, 91117880]

約数ペア:

[(1, 91117880), (2, 45558940), (4, 22779470), (5, 18223576), (7, 13016840), (8, 11389735), (10, 9111788), (14, 6508420), (20, 4555894), (28, 3254210), (35, 2603368), (40, 2277947), (56, 1627105), (70, 1301684), (140, 650842), (280, 325421)]