39490020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{219389}}^1$

素因数の和:219404

約数の個数: 36

約数和(自身を含む): 119786940

約数和(自身を除く): 80296920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 219389, 438778, 658167, 877556, 1096945, 1316334, 1974501, 2193890, 2632668, 3290835, 3949002, 4387780, 6581670, 7898004, 9872505, 13163340, 19745010, 39490020]

約数ペア:

[(1, 39490020), (2, 19745010), (3, 13163340), (4, 9872505), (5, 7898004), (6, 6581670), (9, 4387780), (10, 3949002), (12, 3290835), (15, 2632668), (18, 2193890), (20, 1974501), (30, 1316334), (36, 1096945), (45, 877556), (60, 658167), (90, 438778), (180, 219389)]