2662870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 5544000

約数和(自身を除く): 2881130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 349, 545, 698, 763, 1090, 1526, 1745, 2443, 3490, 3815, 4886, 7630, 12215, 24430, 38041, 76082, 190205, 266287, 380410, 532574, 1331435, 2662870]

約数ペア:

[(1, 2662870), (2, 1331435), (5, 532574), (7, 380410), (10, 266287), (14, 190205), (35, 76082), (70, 38041), (109, 24430), (218, 12215), (349, 7630), (545, 4886), (698, 3815), (763, 3490), (1090, 2443), (1526, 1745)]