31284140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 70060032

約数和(自身を除く): 38775892

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1447, 2162, 2894, 4324, 5405, 5788, 7235, 10810, 14470, 21620, 28940, 33281, 66562, 68009, 133124, 136018, 166405, 272036, 332810, 340045, 665620, 680090, 1360180, 1564207, 3128414, 6256828, 7821035, 15642070, 31284140]

約数ペア:

[(1, 31284140), (2, 15642070), (4, 7821035), (5, 6256828), (10, 3128414), (20, 1564207), (23, 1360180), (46, 680090), (47, 665620), (92, 340045), (94, 332810), (115, 272036), (188, 166405), (230, 136018), (235, 133124), (460, 68009), (470, 66562), (940, 33281), (1081, 28940), (1447, 21620), (2162, 14470), (2894, 10810), (4324, 7235), (5405, 5788)]