205123860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{379859}}^1$

素因数の和:379877

約数の個数: 48

約数和(自身を含む): 638164800

約数和(自身を除く): 433040940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 379859, 759718, 1139577, 1519436, 1899295, 2279154, 3418731, 3798590, 4558308, 5697885, 6837462, 7597180, 10256193, 11395770, 13674924, 17093655, 20512386, 22791540, 34187310, 41024772, 51280965, 68374620, 102561930, 205123860]

約数ペア:

[(1, 205123860), (2, 102561930), (3, 68374620), (4, 51280965), (5, 41024772), (6, 34187310), (9, 22791540), (10, 20512386), (12, 17093655), (15, 13674924), (18, 11395770), (20, 10256193), (27, 7597180), (30, 6837462), (36, 5697885), (45, 4558308), (54, 3798590), (60, 3418731), (90, 2279154), (108, 1899295), (135, 1519436), (180, 1139577), (270, 759718), (540, 379859)]