209644820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136133}}^1$

素因数の和:136160

約数の個数: 48

約数和(自身を含む): 548892288

約数和(自身を除く): 339247468

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 136133, 272266, 544532, 680665, 952931, 1361330, 1497463, 1905862, 2722660, 2994926, 3811724, 4764655, 5989852, 7487315, 9529310, 10482241, 14974630, 19058620, 20964482, 29949260, 41928964, 52411205, 104822410, 209644820]

約数ペア:

[(1, 209644820), (2, 104822410), (4, 52411205), (5, 41928964), (7, 29949260), (10, 20964482), (11, 19058620), (14, 14974630), (20, 10482241), (22, 9529310), (28, 7487315), (35, 5989852), (44, 4764655), (55, 3811724), (70, 2994926), (77, 2722660), (110, 1905862), (140, 1497463), (154, 1361330), (220, 952931), (308, 680665), (385, 544532), (770, 272266), (1540, 136133)]