77793940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{555671}}^1$

素因数の和:555687

約数の個数: 24

約数和(自身を含む): 186705792

約数和(自身を除く): 108911852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 555671, 1111342, 2222684, 2778355, 3889697, 5556710, 7779394, 11113420, 15558788, 19448485, 38896970, 77793940]

約数ペア:

[(1, 77793940), (2, 38896970), (4, 19448485), (5, 15558788), (7, 11113420), (10, 7779394), (14, 5556710), (20, 3889697), (28, 2778355), (35, 2222684), (70, 1111342), (140, 555671)]