146440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{523}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 377280

約数和(自身を除く): 230840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 523, 1046, 2092, 2615, 3661, 4184, 5230, 7322, 10460, 14644, 18305, 20920, 29288, 36610, 73220, 146440]

約数ペア:

[(1, 146440), (2, 73220), (4, 36610), (5, 29288), (7, 20920), (8, 18305), (10, 14644), (14, 10460), (20, 7322), (28, 5230), (35, 4184), (40, 3661), (56, 2615), (70, 2092), (140, 1046), (280, 523)]