310520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 799200

約数和(自身を除く): 488680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1109, 2218, 4436, 5545, 7763, 8872, 11090, 15526, 22180, 31052, 38815, 44360, 62104, 77630, 155260, 310520]

約数ペア:

[(1, 310520), (2, 155260), (4, 77630), (5, 62104), (7, 44360), (8, 38815), (10, 31052), (14, 22180), (20, 15526), (28, 11090), (35, 8872), (40, 7763), (56, 5545), (70, 4436), (140, 2218), (280, 1109)]