260420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 567000

約数和(自身を除く): 306580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 449, 580, 898, 1796, 2245, 4490, 8980, 13021, 26042, 52084, 65105, 130210, 260420]

約数ペア:

[(1, 260420), (2, 130210), (4, 65105), (5, 52084), (10, 26042), (20, 13021), (29, 8980), (58, 4490), (116, 2245), (145, 1796), (290, 898), (449, 580)]