199461920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{178091}}^1$

素因数の和:178113

約数の個数: 48

約数和(自身を含む): 538550208

約数和(自身を除く): 339088288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 178091, 356182, 712364, 890455, 1246637, 1424728, 1780910, 2493274, 2849456, 3561820, 4986548, 5698912, 6233185, 7123640, 9973096, 12466370, 14247280, 19946192, 24932740, 28494560, 39892384, 49865480, 99730960, 199461920]

約数ペア:

[(1, 199461920), (2, 99730960), (4, 49865480), (5, 39892384), (7, 28494560), (8, 24932740), (10, 19946192), (14, 14247280), (16, 12466370), (20, 9973096), (28, 7123640), (32, 6233185), (35, 5698912), (40, 4986548), (56, 3561820), (70, 2849456), (80, 2493274), (112, 1780910), (140, 1424728), (160, 1246637), (224, 890455), (280, 712364), (560, 356182), (1120, 178091)]