13446860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 32551680

約数和(自身を除く): 19104820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 691, 695, 973, 1382, 1390, 1946, 2764, 2780, 3455, 3892, 4837, 4865, 6910, 9674, 9730, 13820, 19348, 19460, 24185, 48370, 96049, 96740, 192098, 384196, 480245, 672343, 960490, 1344686, 1920980, 2689372, 3361715, 6723430, 13446860]

約数ペア:

[(1, 13446860), (2, 6723430), (4, 3361715), (5, 2689372), (7, 1920980), (10, 1344686), (14, 960490), (20, 672343), (28, 480245), (35, 384196), (70, 192098), (139, 96740), (140, 96049), (278, 48370), (556, 24185), (691, 19460), (695, 19348), (973, 13820), (1382, 9730), (1390, 9674), (1946, 6910), (2764, 4865), (2780, 4837), (3455, 3892)]