90516440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{323273}}^1$

素因数の和:323291

約数の個数: 32

約数和(自身を含む): 232757280

約数和(自身を除く): 142240840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 323273, 646546, 1293092, 1616365, 2262911, 2586184, 3232730, 4525822, 6465460, 9051644, 11314555, 12930920, 18103288, 22629110, 45258220, 90516440]

約数ペア:

[(1, 90516440), (2, 45258220), (4, 22629110), (5, 18103288), (7, 12930920), (8, 11314555), (10, 9051644), (14, 6465460), (20, 4525822), (28, 3232730), (35, 2586184), (40, 2262911), (56, 1616365), (70, 1293092), (140, 646546), (280, 323273)]