77439740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553141}}^1$

素因数の和:553157

約数の個数: 24

約数和(自身を含む): 185855712

約数和(自身を除く): 108415972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553141, 1106282, 2212564, 2765705, 3871987, 5531410, 7743974, 11062820, 15487948, 19359935, 38719870, 77439740]

約数ペア:

[(1, 77439740), (2, 38719870), (4, 19359935), (5, 15487948), (7, 11062820), (10, 7743974), (14, 5531410), (20, 3871987), (28, 2765705), (35, 2212564), (70, 1106282), (140, 553141)]