200818520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31183}}^1$

素因数の和:31224

約数の個数: 64

約数和(自身を含む): 538859520

約数和(自身を除く): 338041000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 31183, 62366, 124732, 155915, 218281, 249464, 311830, 436562, 623660, 717209, 873124, 1091405, 1247320, 1434418, 1746248, 2182810, 2868836, 3586045, 4365620, 5020463, 5737672, 7172090, 8731240, 10040926, 14344180, 20081852, 25102315, 28688360, 40163704, 50204630, 100409260, 200818520]

約数ペア:

[(1, 200818520), (2, 100409260), (4, 50204630), (5, 40163704), (7, 28688360), (8, 25102315), (10, 20081852), (14, 14344180), (20, 10040926), (23, 8731240), (28, 7172090), (35, 5737672), (40, 5020463), (46, 4365620), (56, 3586045), (70, 2868836), (92, 2182810), (115, 1746248), (140, 1434418), (161, 1247320), (184, 1091405), (230, 873124), (280, 717209), (322, 623660), (460, 436562), (644, 311830), (805, 249464), (920, 218281), (1288, 155915), (1610, 124732), (3220, 62366), (6440, 31183)]