1388819200

素因数分解:

$2^8\times 5^2\times {\mathrm{217003}}^1$

素因数の和:217029

約数の個数: 54

約数和(自身を含む): 3437560364

約数和(自身を除く): 2048741164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 217003, 434006, 868012, 1085015, 1736024, 2170030, 3472048, 4340060, 5425075, 6944096, 8680120, 10850150, 13888192, 17360240, 21700300, 27776384, 34720480, 43400600, 55552768, 69440960, 86801200, 138881920, 173602400, 277763840, 347204800, 694409600, 1388819200]

約数ペア:

[(1, 1388819200), (2, 694409600), (4, 347204800), (5, 277763840), (8, 173602400), (10, 138881920), (16, 86801200), (20, 69440960), (25, 55552768), (32, 43400600), (40, 34720480), (50, 27776384), (64, 21700300), (80, 17360240), (100, 13888192), (128, 10850150), (160, 8680120), (200, 6944096), (256, 5425075), (320, 4340060), (400, 3472048), (640, 2170030), (800, 1736024), (1280, 1085015), (1600, 868012), (3200, 434006), (6400, 217003)]