281127560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1004027}}^1$

素因数の和:1004045

約数の個数: 32

約数和(自身を含む): 722900160

約数和(自身を除く): 441772600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1004027, 2008054, 4016108, 5020135, 7028189, 8032216, 10040270, 14056378, 20080540, 28112756, 35140945, 40161080, 56225512, 70281890, 140563780, 281127560]

約数ペア:

[(1, 281127560), (2, 140563780), (4, 70281890), (5, 56225512), (7, 40161080), (8, 35140945), (10, 28112756), (14, 20080540), (20, 14056378), (28, 10040270), (35, 8032216), (40, 7028189), (56, 5020135), (70, 4016108), (140, 2008054), (280, 1004027)]