28009870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{57163}}^1$

素因数の和:57184

約数の個数: 24

約数和(自身を含む): 58650264

約数和(自身を除く): 30640394

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 57163, 114326, 285815, 400141, 571630, 800282, 2000705, 2800987, 4001410, 5601974, 14004935, 28009870]

約数ペア:

[(1, 28009870), (2, 14004935), (5, 5601974), (7, 4001410), (10, 2800987), (14, 2000705), (35, 800282), (49, 571630), (70, 400141), (98, 285815), (245, 114326), (490, 57163)]