489605840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 1183852800

約数和(自身を除く): 694246960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 239, 290, 464, 478, 580, 883, 956, 1160, 1195, 1766, 1912, 2320, 2390, 3532, 3824, 4415, 4780, 6931, 7064, 8830, 9560, 13862, 14128, 17660, 19120, 25607, 27724, 34655, 35320, 51214, 55448, 69310, 70640, 102428, 110896, 128035, 138620, 204856, 211037, 256070, 277240, 409712, 422074, 512140, 554480, 844148, 1024280, 1055185, 1688296, 2048560, 2110370, 3376592, 4220740, 6120073, 8441480, 12240146, 16882960, 24480292, 30600365, 48960584, 61200730, 97921168, 122401460, 244802920, 489605840]

約数ペア:

[(1, 489605840), (2, 244802920), (4, 122401460), (5, 97921168), (8, 61200730), (10, 48960584), (16, 30600365), (20, 24480292), (29, 16882960), (40, 12240146), (58, 8441480), (80, 6120073), (116, 4220740), (145, 3376592), (232, 2110370), (239, 2048560), (290, 1688296), (464, 1055185), (478, 1024280), (580, 844148), (883, 554480), (956, 512140), (1160, 422074), (1195, 409712), (1766, 277240), (1912, 256070), (2320, 211037), (2390, 204856), (3532, 138620), (3824, 128035), (4415, 110896), (4780, 102428), (6931, 70640), (7064, 69310), (8830, 55448), (9560, 51214), (13862, 35320), (14128, 34655), (17660, 27724), (19120, 25607)]