237861980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{109111}}^1$

素因数の和:109229

約数の個数: 24

約数和(自身を含む): 504097440

約数和(自身を除く): 266235460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 109111, 218222, 436444, 545555, 1091110, 2182220, 11893099, 23786198, 47572396, 59465495, 118930990, 237861980]

約数ペア:

[(1, 237861980), (2, 118930990), (4, 59465495), (5, 47572396), (10, 23786198), (20, 11893099), (109, 2182220), (218, 1091110), (436, 545555), (545, 436444), (1090, 218222), (2180, 109111)]