207865720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{225941}}^1$

素因数の和:225975

約数の個数: 32

約数和(自身を含む): 488034720

約数和(自身を除く): 280169000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 225941, 451882, 903764, 1129705, 1807528, 2259410, 4518820, 5196643, 9037640, 10393286, 20786572, 25983215, 41573144, 51966430, 103932860, 207865720]

約数ペア:

[(1, 207865720), (2, 103932860), (4, 51966430), (5, 41573144), (8, 25983215), (10, 20786572), (20, 10393286), (23, 9037640), (40, 5196643), (46, 4518820), (92, 2259410), (115, 1807528), (184, 1129705), (230, 903764), (460, 451882), (920, 225941)]