27989800

素因数分解:

$2^3\times 5^2\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 65425500

約数和(自身を除く): 37435700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 349, 401, 698, 802, 1396, 1604, 1745, 2005, 2792, 3208, 3490, 4010, 6980, 8020, 8725, 10025, 13960, 16040, 17450, 20050, 34900, 40100, 69800, 80200, 139949, 279898, 559796, 699745, 1119592, 1399490, 2798980, 3498725, 5597960, 6997450, 13994900, 27989800]

約数ペア:

[(1, 27989800), (2, 13994900), (4, 6997450), (5, 5597960), (8, 3498725), (10, 2798980), (20, 1399490), (25, 1119592), (40, 699745), (50, 559796), (100, 279898), (200, 139949), (349, 80200), (401, 69800), (698, 40100), (802, 34900), (1396, 20050), (1604, 17450), (1745, 16040), (2005, 13960), (2792, 10025), (3208, 8725), (3490, 8020), (4010, 6980)]