1215350

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 24

約数和(自身を含む): 2291520

約数和(自身を除く): 1076170

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 223, 446, 545, 1090, 1115, 2230, 2725, 5450, 5575, 11150, 24307, 48614, 121535, 243070, 607675, 1215350]

約数ペア:

[(1, 1215350), (2, 607675), (5, 243070), (10, 121535), (25, 48614), (50, 24307), (109, 11150), (218, 5575), (223, 5450), (446, 2725), (545, 2230), (1090, 1115)]