289035410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{1999}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 548640000

約数和(自身を除く): 259604590

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 761, 1522, 1999, 3805, 3998, 7610, 9995, 14459, 19990, 28918, 37981, 72295, 75962, 144590, 189905, 379810, 1521239, 3042478, 7606195, 15212390, 28903541, 57807082, 144517705, 289035410]

約数ペア:

[(1, 289035410), (2, 144517705), (5, 57807082), (10, 28903541), (19, 15212390), (38, 7606195), (95, 3042478), (190, 1521239), (761, 379810), (1522, 189905), (1999, 144590), (3805, 75962), (3998, 72295), (7610, 37981), (9995, 28918), (14459, 19990)]