289323280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{45779}}^1$

素因数の和:45871

約数の個数: 40

約数和(自身を含む): 681206400

約数和(自身を除く): 391883120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 45779, 91558, 183116, 228895, 366232, 457790, 732464, 915580, 1831160, 3616541, 3662320, 7233082, 14466164, 18082705, 28932328, 36165410, 57864656, 72330820, 144661640, 289323280]

約数ペア:

[(1, 289323280), (2, 144661640), (4, 72330820), (5, 57864656), (8, 36165410), (10, 28932328), (16, 18082705), (20, 14466164), (40, 7233082), (79, 3662320), (80, 3616541), (158, 1831160), (316, 915580), (395, 732464), (632, 457790), (790, 366232), (1264, 228895), (1580, 183116), (3160, 91558), (6320, 45779)]