2779910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 5778432

約数和(自身を除く): 2998522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 263, 302, 526, 755, 1057, 1315, 1510, 1841, 2114, 2630, 3682, 5285, 9205, 10570, 18410, 39713, 79426, 198565, 277991, 397130, 555982, 1389955, 2779910]

約数ペア:

[(1, 2779910), (2, 1389955), (5, 555982), (7, 397130), (10, 277991), (14, 198565), (35, 79426), (70, 39713), (151, 18410), (263, 10570), (302, 9205), (526, 5285), (755, 3682), (1057, 2630), (1315, 2114), (1510, 1841)]