287876120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1028129}}^1$

素因数の和:1028147

約数の個数: 32

約数和(自身を含む): 740253600

約数和(自身を除く): 452377480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1028129, 2056258, 4112516, 5140645, 7196903, 8225032, 10281290, 14393806, 20562580, 28787612, 35984515, 41125160, 57575224, 71969030, 143938060, 287876120]

約数ペア:

[(1, 287876120), (2, 143938060), (4, 71969030), (5, 57575224), (7, 41125160), (8, 35984515), (10, 28787612), (14, 20562580), (20, 14393806), (28, 10281290), (35, 8225032), (40, 7196903), (56, 5140645), (70, 4112516), (140, 2056258), (280, 1028129)]