201444800

素因数分解:

$2^6\times 5^2\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1078

約数の個数: 84

約数和(自身を含む): 499841520

約数和(自身を除く): 298396720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 137, 160, 200, 274, 320, 400, 548, 685, 800, 919, 1096, 1370, 1600, 1838, 2192, 2740, 3425, 3676, 4384, 4595, 5480, 6850, 7352, 8768, 9190, 10960, 13700, 14704, 18380, 21920, 22975, 27400, 29408, 36760, 43840, 45950, 54800, 58816, 73520, 91900, 109600, 125903, 147040, 183800, 219200, 251806, 294080, 367600, 503612, 629515, 735200, 1007224, 1259030, 1470400, 2014448, 2518060, 3147575, 4028896, 5036120, 6295150, 8057792, 10072240, 12590300, 20144480, 25180600, 40288960, 50361200, 100722400, 201444800]

約数ペア:

[(1, 201444800), (2, 100722400), (4, 50361200), (5, 40288960), (8, 25180600), (10, 20144480), (16, 12590300), (20, 10072240), (25, 8057792), (32, 6295150), (40, 5036120), (50, 4028896), (64, 3147575), (80, 2518060), (100, 2014448), (137, 1470400), (160, 1259030), (200, 1007224), (274, 735200), (320, 629515), (400, 503612), (548, 367600), (685, 294080), (800, 251806), (919, 219200), (1096, 183800), (1370, 147040), (1600, 125903), (1838, 109600), (2192, 91900), (2740, 73520), (3425, 58816), (3676, 54800), (4384, 45950), (4595, 43840), (5480, 36760), (6850, 29408), (7352, 27400), (8768, 22975), (9190, 21920), (10960, 18380), (13700, 14704)]