143425520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{256117}}^1$

素因数の和:256137

約数の個数: 40

約数和(自身を含む): 381103584

約数和(自身を除く): 237678064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 256117, 512234, 1024468, 1280585, 1792819, 2048936, 2561170, 3585638, 4097872, 5122340, 7171276, 8964095, 10244680, 14342552, 17928190, 20489360, 28685104, 35856380, 71712760, 143425520]

約数ペア:

[(1, 143425520), (2, 71712760), (4, 35856380), (5, 28685104), (7, 20489360), (8, 17928190), (10, 14342552), (14, 10244680), (16, 8964095), (20, 7171276), (28, 5122340), (35, 4097872), (40, 3585638), (56, 2561170), (70, 2048936), (80, 1792819), (112, 1280585), (140, 1024468), (280, 512234), (560, 256117)]