642341840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1147039}}^1$

素因数の和:1147059

約数の個数: 40

約数和(自身を含む): 1706795520

約数和(自身を除く): 1064453680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1147039, 2294078, 4588156, 5735195, 8029273, 9176312, 11470390, 16058546, 18352624, 22940780, 32117092, 40146365, 45881560, 64234184, 80292730, 91763120, 128468368, 160585460, 321170920, 642341840]

約数ペア:

[(1, 642341840), (2, 321170920), (4, 160585460), (5, 128468368), (7, 91763120), (8, 80292730), (10, 64234184), (14, 45881560), (16, 40146365), (20, 32117092), (28, 22940780), (35, 18352624), (40, 16058546), (56, 11470390), (70, 9176312), (80, 8029273), (112, 5735195), (140, 4588156), (280, 2294078), (560, 1147039)]