28237020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67231}}^1$

素因数の和:67250

約数の個数: 48

約数和(自身を含む): 90359808

約数和(自身を除く): 62122788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67231, 134462, 201693, 268924, 336155, 403386, 470617, 672310, 806772, 941234, 1008465, 1344620, 1411851, 1882468, 2016930, 2353085, 2823702, 4033860, 4706170, 5647404, 7059255, 9412340, 14118510, 28237020]

約数ペア:

[(1, 28237020), (2, 14118510), (3, 9412340), (4, 7059255), (5, 5647404), (6, 4706170), (7, 4033860), (10, 2823702), (12, 2353085), (14, 2016930), (15, 1882468), (20, 1411851), (21, 1344620), (28, 1008465), (30, 941234), (35, 806772), (42, 672310), (60, 470617), (70, 403386), (84, 336155), (105, 268924), (140, 201693), (210, 134462), (420, 67231)]