77205020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3571}}^1$

素因数の和:3650

約数の個数: 48

約数和(自身を含む): 172827648

約数和(自身を除く): 95622628

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 3571, 4324, 5405, 7142, 10810, 14284, 17855, 21620, 35710, 71420, 82133, 164266, 167837, 328532, 335674, 410665, 671348, 821330, 839185, 1642660, 1678370, 3356740, 3860251, 7720502, 15441004, 19301255, 38602510, 77205020]

約数ペア:

[(1, 77205020), (2, 38602510), (4, 19301255), (5, 15441004), (10, 7720502), (20, 3860251), (23, 3356740), (46, 1678370), (47, 1642660), (92, 839185), (94, 821330), (115, 671348), (188, 410665), (230, 335674), (235, 328532), (460, 167837), (470, 164266), (940, 82133), (1081, 71420), (2162, 35710), (3571, 21620), (4324, 17855), (5405, 14284), (7142, 10810)]