219666890

素因数分解:

$2^1\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{15139}}^1$

素因数の和:16597

約数の個数: 16

約数和(自身を含む): 395699040

約数和(自身を除く): 176032150

約数列:

[1, 2, 5, 10, 1451, 2902, 7255, 14510, 15139, 30278, 75695, 151390, 21966689, 43933378, 109833445, 219666890]

約数ペア:

[(1, 219666890), (2, 109833445), (5, 43933378), (10, 21966689), (1451, 151390), (2902, 75695), (7255, 30278), (14510, 15139)]