1330302280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{239263}}^1$

素因数の和:239413

約数の個数: 32

約数和(自身を含む): 3014726400

約数和(自身を除く): 1684424120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 239263, 478526, 957052, 1196315, 1914104, 2392630, 4785260, 9570520, 33257557, 66515114, 133030228, 166287785, 266060456, 332575570, 665151140, 1330302280]

約数ペア:

[(1, 1330302280), (2, 665151140), (4, 332575570), (5, 266060456), (8, 166287785), (10, 133030228), (20, 66515114), (40, 33257557), (139, 9570520), (278, 4785260), (556, 2392630), (695, 1914104), (1112, 1196315), (1390, 957052), (2780, 478526), (5560, 239263)]