199378520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{453133}}^1$

素因数の和:453155

約数の個数: 32

約数和(自身を含む): 489384720

約数和(自身を除く): 290006200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 453133, 906266, 1812532, 2265665, 3625064, 4531330, 4984463, 9062660, 9968926, 18125320, 19937852, 24922315, 39875704, 49844630, 99689260, 199378520]

約数ペア:

[(1, 199378520), (2, 99689260), (4, 49844630), (5, 39875704), (8, 24922315), (10, 19937852), (11, 18125320), (20, 9968926), (22, 9062660), (40, 4984463), (44, 4531330), (55, 3625064), (88, 2265665), (110, 1812532), (220, 906266), (440, 453133)]