90149360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{160981}}^1$

素因数の和:161001

約数の個数: 40

約数和(自身を含む): 239541216

約数和(自身を除く): 149391856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 160981, 321962, 643924, 804905, 1126867, 1287848, 1609810, 2253734, 2575696, 3219620, 4507468, 5634335, 6439240, 9014936, 11268670, 12878480, 18029872, 22537340, 45074680, 90149360]

約数ペア:

[(1, 90149360), (2, 45074680), (4, 22537340), (5, 18029872), (7, 12878480), (8, 11268670), (10, 9014936), (14, 6439240), (16, 5634335), (20, 4507468), (28, 3219620), (35, 2575696), (40, 2253734), (56, 1609810), (70, 1287848), (80, 1126867), (112, 804905), (140, 643924), (280, 321962), (560, 160981)]