1244800

素因数分解:

$2^7\times 5^2\times {\mathrm{389}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 3082950

約数和(自身を除く): 1838150

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 389, 400, 640, 778, 800, 1556, 1600, 1945, 3112, 3200, 3890, 6224, 7780, 9725, 12448, 15560, 19450, 24896, 31120, 38900, 49792, 62240, 77800, 124480, 155600, 248960, 311200, 622400, 1244800]

約数ペア:

[(1, 1244800), (2, 622400), (4, 311200), (5, 248960), (8, 155600), (10, 124480), (16, 77800), (20, 62240), (25, 49792), (32, 38900), (40, 31120), (50, 24896), (64, 19450), (80, 15560), (100, 12448), (128, 9725), (160, 7780), (200, 6224), (320, 3890), (389, 3200), (400, 3112), (640, 1945), (778, 1600), (800, 1556)]