220208440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239357}}^1$

素因数の和:239391

約数の個数: 32

約数和(自身を含む): 517013280

約数和(自身を除く): 296804840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 239357, 478714, 957428, 1196785, 1914856, 2393570, 4787140, 5505211, 9574280, 11010422, 22020844, 27526055, 44041688, 55052110, 110104220, 220208440]

約数ペア:

[(1, 220208440), (2, 110104220), (4, 55052110), (5, 44041688), (8, 27526055), (10, 22020844), (20, 11010422), (23, 9574280), (40, 5505211), (46, 4787140), (92, 2393570), (115, 1914856), (184, 1196785), (230, 957428), (460, 478714), (920, 239357)]