199258640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{355819}}^1$

素因数の和:355839

約数の個数: 40

約数和(自身を含む): 529460160

約数和(自身を除く): 330201520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 355819, 711638, 1423276, 1779095, 2490733, 2846552, 3558190, 4981466, 5693104, 7116380, 9962932, 12453665, 14232760, 19925864, 24907330, 28465520, 39851728, 49814660, 99629320, 199258640]

約数ペア:

[(1, 199258640), (2, 99629320), (4, 49814660), (5, 39851728), (7, 28465520), (8, 24907330), (10, 19925864), (14, 14232760), (16, 12453665), (20, 9962932), (28, 7116380), (35, 5693104), (40, 4981466), (56, 3558190), (70, 2846552), (80, 2490733), (112, 1779095), (140, 1423276), (280, 711638), (560, 355819)]