155260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 372960

約数和(自身を除く): 217700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1109, 2218, 4436, 5545, 7763, 11090, 15526, 22180, 31052, 38815, 77630, 155260]

約数ペア:

[(1, 155260), (2, 77630), (4, 38815), (5, 31052), (7, 22180), (10, 15526), (14, 11090), (20, 7763), (28, 5545), (35, 4436), (70, 2218), (140, 1109)]