289734510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{742909}}^1$

素因数の和:742932

約数の個数: 32

約数和(自身を含む): 748853280

約数和(自身を除く): 459118770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 742909, 1485818, 2228727, 3714545, 4457454, 7429090, 9657817, 11143635, 19315634, 22287270, 28973451, 48289085, 57946902, 96578170, 144867255, 289734510]

約数ペア:

[(1, 289734510), (2, 144867255), (3, 96578170), (5, 57946902), (6, 48289085), (10, 28973451), (13, 22287270), (15, 19315634), (26, 11143635), (30, 9657817), (39, 7429090), (65, 4457454), (78, 3714545), (130, 2228727), (195, 1485818), (390, 742909)]