69459880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{248071}}^1$

素因数の和:248089

約数の個数: 32

約数和(自身を含む): 178611840

約数和(自身を除く): 109151960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 248071, 496142, 992284, 1240355, 1736497, 1984568, 2480710, 3472994, 4961420, 6945988, 8682485, 9922840, 13891976, 17364970, 34729940, 69459880]

約数ペア:

[(1, 69459880), (2, 34729940), (4, 17364970), (5, 13891976), (7, 9922840), (8, 8682485), (10, 6945988), (14, 4961420), (20, 3472994), (28, 2480710), (35, 1984568), (40, 1736497), (56, 1240355), (70, 992284), (140, 496142), (280, 248071)]