201131812

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 416465280

約数和(自身を除く): 215333468

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 89, 172, 178, 301, 356, 602, 623, 1204, 1246, 1877, 2492, 3754, 3827, 7508, 7654, 13139, 15308, 26278, 26789, 52556, 53578, 80711, 107156, 161422, 167053, 322844, 334106, 564977, 668212, 1129954, 1169371, 2259908, 2338742, 4677484, 7183279, 14366558, 28733116, 50282953, 100565906, 201131812]

約数ペア:

[(1, 201131812), (2, 100565906), (4, 50282953), (7, 28733116), (14, 14366558), (28, 7183279), (43, 4677484), (86, 2338742), (89, 2259908), (172, 1169371), (178, 1129954), (301, 668212), (356, 564977), (602, 334106), (623, 322844), (1204, 167053), (1246, 161422), (1877, 107156), (2492, 80711), (3754, 53578), (3827, 52556), (7508, 26789), (7654, 26278), (13139, 15308)]