139220620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90403}}^1$

素因数の和:90430

約数の個数: 48

約数和(自身を含む): 364508928

約数和(自身を除く): 225288308

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, 90403, 180806, 361612, 452015, 632821, 904030, 994433, 1265642, 1808060, 1988866, 2531284, 3164105, 3977732, 4972165, 6328210, 6961031, 9944330, 12656420, 13922062, 19888660, 27844124, 34805155, 69610310, 139220620]

約数ペア:

[(1, 139220620), (2, 69610310), (4, 34805155), (5, 27844124), (7, 19888660), (10, 13922062), (11, 12656420), (14, 9944330), (20, 6961031), (22, 6328210), (28, 4972165), (35, 3977732), (44, 3164105), (55, 2531284), (70, 1988866), (77, 1808060), (110, 1265642), (140, 994433), (154, 904030), (220, 632821), (308, 452015), (385, 361612), (770, 180806), (1540, 90403)]