30981460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1433}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 69382656

約数和(自身を除く): 38401196

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1433, 2162, 2866, 4324, 5405, 5732, 7165, 10810, 14330, 21620, 28660, 32959, 65918, 67351, 131836, 134702, 164795, 269404, 329590, 336755, 659180, 673510, 1347020, 1549073, 3098146, 6196292, 7745365, 15490730, 30981460]

約数ペア:

[(1, 30981460), (2, 15490730), (4, 7745365), (5, 6196292), (10, 3098146), (20, 1549073), (23, 1347020), (46, 673510), (47, 659180), (92, 336755), (94, 329590), (115, 269404), (188, 164795), (230, 134702), (235, 131836), (460, 67351), (470, 65918), (940, 32959), (1081, 28660), (1433, 21620), (2162, 14330), (2866, 10810), (4324, 7165), (5405, 5732)]