309906730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{56041}}^1$

素因数の和:56134

約数の個数: 32

約数和(自身を含む): 645603840

約数和(自身を除く): 335697110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 56041, 112082, 280205, 392287, 560410, 784574, 1961435, 3922870, 4427239, 8854478, 22136195, 30990673, 44272390, 61981346, 154953365, 309906730]

約数ペア:

[(1, 309906730), (2, 154953365), (5, 61981346), (7, 44272390), (10, 30990673), (14, 22136195), (35, 8854478), (70, 4427239), (79, 3922870), (158, 1961435), (395, 784574), (553, 560410), (790, 392287), (1106, 280205), (2765, 112082), (5530, 56041)]