239661520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{427967}}^1$

素因数の和:427987

約数の個数: 40

約数和(自身を含む): 636816384

約数和(自身を除く): 397154864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 427967, 855934, 1711868, 2139835, 2995769, 3423736, 4279670, 5991538, 6847472, 8559340, 11983076, 14978845, 17118680, 23966152, 29957690, 34237360, 47932304, 59915380, 119830760, 239661520]

約数ペア:

[(1, 239661520), (2, 119830760), (4, 59915380), (5, 47932304), (7, 34237360), (8, 29957690), (10, 23966152), (14, 17118680), (16, 14978845), (20, 11983076), (28, 8559340), (35, 6847472), (40, 5991538), (56, 4279670), (70, 3423736), (80, 2995769), (112, 2139835), (140, 1711868), (280, 855934), (560, 427967)]