69538280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{248351}}^1$

素因数の和:248369

約数の個数: 32

約数和(自身を含む): 178813440

約数和(自身を除く): 109275160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 248351, 496702, 993404, 1241755, 1738457, 1986808, 2483510, 3476914, 4967020, 6953828, 8692285, 9934040, 13907656, 17384570, 34769140, 69538280]

約数ペア:

[(1, 69538280), (2, 34769140), (4, 17384570), (5, 13907656), (7, 9934040), (8, 8692285), (10, 6953828), (14, 4967020), (20, 3476914), (28, 2483510), (35, 1986808), (40, 1738457), (56, 1241755), (70, 993404), (140, 496702), (280, 248351)]