209521370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{1663}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 387459072

約数和(自身を除く): 177937702

約数列:

[1, 2, 5, 10, 43, 86, 215, 293, 430, 586, 1465, 1663, 2930, 3326, 8315, 12599, 16630, 25198, 62995, 71509, 125990, 143018, 357545, 487259, 715090, 974518, 2436295, 4872590, 20952137, 41904274, 104760685, 209521370]

約数ペア:

[(1, 209521370), (2, 104760685), (5, 41904274), (10, 20952137), (43, 4872590), (86, 2436295), (215, 974518), (293, 715090), (430, 487259), (586, 357545), (1465, 143018), (1663, 125990), (2930, 71509), (3326, 62995), (8315, 25198), (12599, 16630)]