199209640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{711463}}^1$

素因数の和:711481

約数の個数: 32

約数和(自身を含む): 512254080

約数和(自身を除く): 313044440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 711463, 1422926, 2845852, 3557315, 4980241, 5691704, 7114630, 9960482, 14229260, 19920964, 24901205, 28458520, 39841928, 49802410, 99604820, 199209640]

約数ペア:

[(1, 199209640), (2, 99604820), (4, 49802410), (5, 39841928), (7, 28458520), (8, 24901205), (10, 19920964), (14, 14229260), (20, 9960482), (28, 7114630), (35, 5691704), (40, 4980241), (56, 3557315), (70, 2845852), (140, 1422926), (280, 711463)]