102990440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{367823}}^1$

素因数の和:367841

約数の個数: 32

約数和(自身を含む): 264833280

約数和(自身を除く): 161842840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 367823, 735646, 1471292, 1839115, 2574761, 2942584, 3678230, 5149522, 7356460, 10299044, 12873805, 14712920, 20598088, 25747610, 51495220, 102990440]

約数ペア:

[(1, 102990440), (2, 51495220), (4, 25747610), (5, 20598088), (7, 14712920), (8, 12873805), (10, 10299044), (14, 7356460), (20, 5149522), (28, 3678230), (35, 2942584), (40, 2574761), (56, 1839115), (70, 1471292), (140, 735646), (280, 367823)]