117220940

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{4073}}^1$

素因数の和:5521

約数の個数: 24

約数和(自身を含む): 246395520

約数和(自身を除く): 129174580

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 4073, 5756, 7195, 8146, 14390, 16292, 20365, 28780, 40730, 81460, 5861047, 11722094, 23444188, 29305235, 58610470, 117220940]

約数ペア:

[(1, 117220940), (2, 58610470), (4, 29305235), (5, 23444188), (10, 11722094), (20, 5861047), (1439, 81460), (2878, 40730), (4073, 28780), (5756, 20365), (7195, 16292), (8146, 14390)]