778848080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{423287}}^1$

素因数の和:423323

約数の個数: 40

約数和(自身を含む): 1889557632

約数和(自身を除く): 1110709552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 423287, 846574, 1693148, 2116435, 3386296, 4232870, 6772592, 8465740, 9735601, 16931480, 19471202, 33862960, 38942404, 48678005, 77884808, 97356010, 155769616, 194712020, 389424040, 778848080]

約数ペア:

[(1, 778848080), (2, 389424040), (4, 194712020), (5, 155769616), (8, 97356010), (10, 77884808), (16, 48678005), (20, 38942404), (23, 33862960), (40, 19471202), (46, 16931480), (80, 9735601), (92, 8465740), (115, 6772592), (184, 4232870), (230, 3386296), (368, 2116435), (460, 1693148), (920, 846574), (1840, 423287)]