2610020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 6359808

約数和(自身を除く): 3749788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 181, 206, 362, 412, 515, 721, 724, 905, 1030, 1267, 1442, 1810, 2060, 2534, 2884, 3605, 3620, 5068, 6335, 7210, 12670, 14420, 18643, 25340, 37286, 74572, 93215, 130501, 186430, 261002, 372860, 522004, 652505, 1305010, 2610020]

約数ペア:

[(1, 2610020), (2, 1305010), (4, 652505), (5, 522004), (7, 372860), (10, 261002), (14, 186430), (20, 130501), (28, 93215), (35, 74572), (70, 37286), (103, 25340), (140, 18643), (181, 14420), (206, 12670), (362, 7210), (412, 6335), (515, 5068), (721, 3620), (724, 3605), (905, 2884), (1030, 2534), (1267, 2060), (1442, 1810)]