2531041490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{309797}}^1$

素因数の和:309866

約数の個数: 32

約数和(自身を含む): 4907200320

約数和(自身を除く): 2376158830

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 309797, 619594, 1548985, 3097970, 5886143, 11772286, 13321271, 26642542, 29430715, 58861430, 66606355, 133212710, 253104149, 506208298, 1265520745, 2531041490]

約数ペア:

[(1, 2531041490), (2, 1265520745), (5, 506208298), (10, 253104149), (19, 133212710), (38, 66606355), (43, 58861430), (86, 29430715), (95, 26642542), (190, 13321271), (215, 11772286), (430, 5886143), (817, 3097970), (1634, 1548985), (4085, 619594), (8170, 309797)]