318312880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56041}}^1$

素因数の和:56125

約数の個数: 40

約数和(自身を含む): 750514464

約数和(自身を除く): 432201584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 56041, 112082, 224164, 280205, 448328, 560410, 896656, 1120820, 2241640, 3978911, 4483280, 7957822, 15915644, 19894555, 31831288, 39789110, 63662576, 79578220, 159156440, 318312880]

約数ペア:

[(1, 318312880), (2, 159156440), (4, 79578220), (5, 63662576), (8, 39789110), (10, 31831288), (16, 19894555), (20, 15915644), (40, 7957822), (71, 4483280), (80, 3978911), (142, 2241640), (284, 1120820), (355, 896656), (568, 560410), (710, 448328), (1136, 280205), (1420, 224164), (2840, 112082), (5680, 56041)]