70890260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72337}}^1$

素因数の和:72360

約数の個数: 36

約数和(自身を含む): 173177172

約数和(自身を除く): 102286912

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72337, 144674, 289348, 361685, 506359, 723370, 1012718, 1446740, 2025436, 2531795, 3544513, 5063590, 7089026, 10127180, 14178052, 17722565, 35445130, 70890260]

約数ペア:

[(1, 70890260), (2, 35445130), (4, 17722565), (5, 14178052), (7, 10127180), (10, 7089026), (14, 5063590), (20, 3544513), (28, 2531795), (35, 2025436), (49, 1446740), (70, 1012718), (98, 723370), (140, 506359), (196, 361685), (245, 289348), (490, 144674), (980, 72337)]