28365810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 47666190

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1419, 1999, 2365, 2838, 3998, 4730, 5997, 7095, 9995, 11994, 14190, 19990, 21989, 29985, 43978, 59970, 65967, 85957, 109945, 131934, 171914, 219890, 257871, 329835, 429785, 515742, 659670, 859570, 945527, 1289355, 1891054, 2578710, 2836581, 4727635, 5673162, 9455270, 14182905, 28365810]

約数ペア:

[(1, 28365810), (2, 14182905), (3, 9455270), (5, 5673162), (6, 4727635), (10, 2836581), (11, 2578710), (15, 1891054), (22, 1289355), (30, 945527), (33, 859570), (43, 659670), (55, 515742), (66, 429785), (86, 329835), (110, 257871), (129, 219890), (165, 171914), (215, 131934), (258, 109945), (330, 85957), (430, 65967), (473, 59970), (645, 43978), (946, 29985), (1290, 21989), (1419, 19990), (1999, 14190), (2365, 11994), (2838, 9995), (3998, 7095), (4730, 5997)]