71587780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2341}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 165251520

約数和(自身を除く): 93663740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2341, 2780, 3058, 4682, 6116, 7645, 9364, 11705, 15290, 23410, 25751, 30580, 46820, 51502, 103004, 128755, 257510, 325399, 515020, 650798, 1301596, 1626995, 3253990, 3579389, 6507980, 7158778, 14317556, 17896945, 35793890, 71587780]

約数ペア:

[(1, 71587780), (2, 35793890), (4, 17896945), (5, 14317556), (10, 7158778), (11, 6507980), (20, 3579389), (22, 3253990), (44, 1626995), (55, 1301596), (110, 650798), (139, 515020), (220, 325399), (278, 257510), (556, 128755), (695, 103004), (1390, 51502), (1529, 46820), (2341, 30580), (2780, 25751), (3058, 23410), (4682, 15290), (6116, 11705), (7645, 9364)]