208890440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{474751}}^1$

素因数の和:474773

約数の個数: 32

約数和(自身を含む): 512732160

約数和(自身を除く): 303841720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 474751, 949502, 1899004, 2373755, 3798008, 4747510, 5222261, 9495020, 10444522, 18990040, 20889044, 26111305, 41778088, 52222610, 104445220, 208890440]

約数ペア:

[(1, 208890440), (2, 104445220), (4, 52222610), (5, 41778088), (8, 26111305), (10, 20889044), (11, 18990040), (20, 10444522), (22, 9495020), (40, 5222261), (44, 4747510), (55, 3798008), (88, 2373755), (110, 1899004), (220, 949502), (440, 474751)]