28224280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100801}}^1$

素因数の和:100819

約数の個数: 32

約数和(自身を含む): 72577440

約数和(自身を除く): 44353160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100801, 201602, 403204, 504005, 705607, 806408, 1008010, 1411214, 2016020, 2822428, 3528035, 4032040, 5644856, 7056070, 14112140, 28224280]

約数ペア:

[(1, 28224280), (2, 14112140), (4, 7056070), (5, 5644856), (7, 4032040), (8, 3528035), (10, 2822428), (14, 2016020), (20, 1411214), (28, 1008010), (35, 806408), (40, 705607), (56, 504005), (70, 403204), (140, 201602), (280, 100801)]