2080402940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1350911}}^1$

素因数の和:1350938

約数の個数: 48

約数和(自身を含む): 5446877184

約数和(自身を除く): 3366474244

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, 1350911, 2701822, 5403644, 6754555, 9456377, 13509110, 14860021, 18912754, 27018220, 29720042, 37825508, 47281885, 59440084, 74300105, 94563770, 104020147, 148600210, 189127540, 208040294, 297200420, 416080588, 520100735, 1040201470, 2080402940]

約数ペア:

[(1, 2080402940), (2, 1040201470), (4, 520100735), (5, 416080588), (7, 297200420), (10, 208040294), (11, 189127540), (14, 148600210), (20, 104020147), (22, 94563770), (28, 74300105), (35, 59440084), (44, 47281885), (55, 37825508), (70, 29720042), (77, 27018220), (110, 18912754), (140, 14860021), (154, 13509110), (220, 9456377), (308, 6754555), (385, 5403644), (770, 2701822), (1540, 1350911)]