290619532

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 592704000

約数和(自身を除く): 302084468

約数列:

[1, 2, 4, 7, 14, 28, 89, 139, 178, 278, 356, 556, 623, 839, 973, 1246, 1678, 1946, 2492, 3356, 3892, 5873, 11746, 12371, 23492, 24742, 49484, 74671, 86597, 116621, 149342, 173194, 233242, 298684, 346388, 466484, 522697, 816347, 1045394, 1632694, 2090788, 3265388, 10379269, 20758538, 41517076, 72654883, 145309766, 290619532]

約数ペア:

[(1, 290619532), (2, 145309766), (4, 72654883), (7, 41517076), (14, 20758538), (28, 10379269), (89, 3265388), (139, 2090788), (178, 1632694), (278, 1045394), (356, 816347), (556, 522697), (623, 466484), (839, 346388), (973, 298684), (1246, 233242), (1678, 173194), (1946, 149342), (2492, 116621), (3356, 86597), (3892, 74671), (5873, 49484), (11746, 24742), (12371, 23492)]