1900292000

素因数分解:

$2^5\times 5^3\times {\mathrm{475073}}^1$

素因数の和:475098

約数の個数: 48

約数和(自身を含む): 4669027272

約数和(自身を除く): 2768735272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 475073, 950146, 1900292, 2375365, 3800584, 4750730, 7601168, 9501460, 11876825, 15202336, 19002920, 23753650, 38005840, 47507300, 59384125, 76011680, 95014600, 118768250, 190029200, 237536500, 380058400, 475073000, 950146000, 1900292000]

約数ペア:

[(1, 1900292000), (2, 950146000), (4, 475073000), (5, 380058400), (8, 237536500), (10, 190029200), (16, 118768250), (20, 95014600), (25, 76011680), (32, 59384125), (40, 47507300), (50, 38005840), (80, 23753650), (100, 19002920), (125, 15202336), (160, 11876825), (200, 9501460), (250, 7601168), (400, 4750730), (500, 3800584), (800, 2375365), (1000, 1900292), (2000, 950146), (4000, 475073)]