409638280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1693}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 965986560

約数和(自身を除く): 556348280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 263, 460, 526, 920, 1052, 1315, 1693, 2104, 2630, 3386, 5260, 6049, 6772, 8465, 10520, 12098, 13544, 16930, 24196, 30245, 33860, 38939, 48392, 60490, 67720, 77878, 120980, 155756, 194695, 241960, 311512, 389390, 445259, 778780, 890518, 1557560, 1781036, 2226295, 3562072, 4452590, 8905180, 10240957, 17810360, 20481914, 40963828, 51204785, 81927656, 102409570, 204819140, 409638280]

約数ペア:

[(1, 409638280), (2, 204819140), (4, 102409570), (5, 81927656), (8, 51204785), (10, 40963828), (20, 20481914), (23, 17810360), (40, 10240957), (46, 8905180), (92, 4452590), (115, 3562072), (184, 2226295), (230, 1781036), (263, 1557560), (460, 890518), (526, 778780), (920, 445259), (1052, 389390), (1315, 311512), (1693, 241960), (2104, 194695), (2630, 155756), (3386, 120980), (5260, 77878), (6049, 67720), (6772, 60490), (8465, 48392), (10520, 38939), (12098, 33860), (13544, 30245), (16930, 24196)]