2688980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19207}}^1$

素因数の和:19223

約数の個数: 24

約数和(自身を含む): 6453888

約数和(自身を除く): 3764908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19207, 38414, 76828, 96035, 134449, 192070, 268898, 384140, 537796, 672245, 1344490, 2688980]

約数ペア:

[(1, 2688980), (2, 1344490), (4, 672245), (5, 537796), (7, 384140), (10, 268898), (14, 192070), (20, 134449), (28, 96035), (35, 76828), (70, 38414), (140, 19207)]