260742020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{169313}}^1$

素因数の和:169340

約数の個数: 48

約数和(自身を含む): 682674048

約数和(自身を除く): 421932028

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, 169313, 338626, 677252, 846565, 1185191, 1693130, 1862443, 2370382, 3386260, 3724886, 4740764, 5925955, 7449772, 9312215, 11851910, 13037101, 18624430, 23703820, 26074202, 37248860, 52148404, 65185505, 130371010, 260742020]

約数ペア:

[(1, 260742020), (2, 130371010), (4, 65185505), (5, 52148404), (7, 37248860), (10, 26074202), (11, 23703820), (14, 18624430), (20, 13037101), (22, 11851910), (28, 9312215), (35, 7449772), (44, 5925955), (55, 4740764), (70, 3724886), (77, 3386260), (110, 2370382), (140, 1862443), (154, 1693130), (220, 1185191), (308, 846565), (385, 677252), (770, 338626), (1540, 169313)]