28360360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101287}}^1$

素因数の和:101305

約数の個数: 32

約数和(自身を含む): 72927360

約数和(自身を除く): 44567000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101287, 202574, 405148, 506435, 709009, 810296, 1012870, 1418018, 2025740, 2836036, 3545045, 4051480, 5672072, 7090090, 14180180, 28360360]

約数ペア:

[(1, 28360360), (2, 14180180), (4, 7090090), (5, 5672072), (7, 4051480), (8, 3545045), (10, 2836036), (14, 2025740), (20, 1418018), (28, 1012870), (35, 810296), (40, 709009), (56, 506435), (70, 405148), (140, 202574), (280, 101287)]