77182280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{275651}}^1$

素因数の和:275669

約数の個数: 32

約数和(自身を含む): 198469440

約数和(自身を除く): 121287160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 275651, 551302, 1102604, 1378255, 1929557, 2205208, 2756510, 3859114, 5513020, 7718228, 9647785, 11026040, 15436456, 19295570, 38591140, 77182280]

約数ペア:

[(1, 77182280), (2, 38591140), (4, 19295570), (5, 15436456), (7, 11026040), (8, 9647785), (10, 7718228), (14, 5513020), (20, 3859114), (28, 2756510), (35, 2205208), (40, 1929557), (56, 1378255), (70, 1102604), (140, 551302), (280, 275651)]