2820223420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2877779}}^1$

素因数の和:2877802

約数の個数: 36

約数和(自身を含む): 6889405320

約数和(自身を除く): 4069181900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2877779, 5755558, 11511116, 14388895, 20144453, 28777790, 40288906, 57555580, 80577812, 100722265, 141011171, 201444530, 282022342, 402889060, 564044684, 705055855, 1410111710, 2820223420]

約数ペア:

[(1, 2820223420), (2, 1410111710), (4, 705055855), (5, 564044684), (7, 402889060), (10, 282022342), (14, 201444530), (20, 141011171), (28, 100722265), (35, 80577812), (49, 57555580), (70, 40288906), (98, 28777790), (140, 20144453), (196, 14388895), (245, 11511116), (490, 5755558), (980, 2877779)]