161953960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{578407}}^1$

素因数の和:578425

約数の個数: 32

約数和(自身を含む): 416453760

約数和(自身を除く): 254499800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 578407, 1156814, 2313628, 2892035, 4048849, 4627256, 5784070, 8097698, 11568140, 16195396, 20244245, 23136280, 32390792, 40488490, 80976980, 161953960]

約数ペア:

[(1, 161953960), (2, 80976980), (4, 40488490), (5, 32390792), (7, 23136280), (8, 20244245), (10, 16195396), (14, 11568140), (20, 8097698), (28, 5784070), (35, 4627256), (40, 4048849), (56, 2892035), (70, 2313628), (140, 1156814), (280, 578407)]