1688490400

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{16619}}^1$

素因数の和:16766

約数の個数: 72

約数和(自身を含む): 4154734080

約数和(自身を除く): 2466243680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 2032, 2540, 3175, 4064, 5080, 6350, 10160, 12700, 16619, 20320, 25400, 33238, 50800, 66476, 83095, 101600, 132952, 166190, 265904, 332380, 415475, 531808, 664760, 830950, 1329520, 1661900, 2110613, 2659040, 3323800, 4221226, 6647600, 8442452, 10553065, 13295200, 16884904, 21106130, 33769808, 42212260, 52765325, 67539616, 84424520, 105530650, 168849040, 211061300, 337698080, 422122600, 844245200, 1688490400]

約数ペア:

[(1, 1688490400), (2, 844245200), (4, 422122600), (5, 337698080), (8, 211061300), (10, 168849040), (16, 105530650), (20, 84424520), (25, 67539616), (32, 52765325), (40, 42212260), (50, 33769808), (80, 21106130), (100, 16884904), (127, 13295200), (160, 10553065), (200, 8442452), (254, 6647600), (400, 4221226), (508, 3323800), (635, 2659040), (800, 2110613), (1016, 1661900), (1270, 1329520), (2032, 830950), (2540, 664760), (3175, 531808), (4064, 415475), (5080, 332380), (6350, 265904), (10160, 166190), (12700, 132952), (16619, 101600), (20320, 83095), (25400, 66476), (33238, 50800)]