251287510

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{230539}}^1$

素因数の和:230655

約数の個数: 16

約数和(自身を含む): 456469200

約数和(自身を除く): 205181690

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 230539, 461078, 1152695, 2305390, 25128751, 50257502, 125643755, 251287510]

約数ペア:

[(1, 251287510), (2, 125643755), (5, 50257502), (10, 25128751), (109, 2305390), (218, 1152695), (545, 461078), (1090, 230539)]