1880451280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1237139}}^1$

素因数の和:1237171

約数の個数: 40

約数和(自身を含む): 4602160800

約数和(自身を除く): 2721709520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1237139, 2474278, 4948556, 6185695, 9897112, 12371390, 19794224, 23505641, 24742780, 47011282, 49485560, 94022564, 98971120, 117528205, 188045128, 235056410, 376090256, 470112820, 940225640, 1880451280]

約数ペア:

[(1, 1880451280), (2, 940225640), (4, 470112820), (5, 376090256), (8, 235056410), (10, 188045128), (16, 117528205), (19, 98971120), (20, 94022564), (38, 49485560), (40, 47011282), (76, 24742780), (80, 23505641), (95, 19794224), (152, 12371390), (190, 9897112), (304, 6185695), (380, 4948556), (760, 2474278), (1520, 1237139)]