2112800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 5468400

約数和(自身を除く): 3355600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 139, 152, 160, 190, 200, 278, 304, 380, 400, 475, 556, 608, 695, 760, 800, 950, 1112, 1390, 1520, 1900, 2224, 2641, 2780, 3040, 3475, 3800, 4448, 5282, 5560, 6950, 7600, 10564, 11120, 13205, 13900, 15200, 21128, 22240, 26410, 27800, 42256, 52820, 55600, 66025, 84512, 105640, 111200, 132050, 211280, 264100, 422560, 528200, 1056400, 2112800]

約数ペア:

[(1, 2112800), (2, 1056400), (4, 528200), (5, 422560), (8, 264100), (10, 211280), (16, 132050), (19, 111200), (20, 105640), (25, 84512), (32, 66025), (38, 55600), (40, 52820), (50, 42256), (76, 27800), (80, 26410), (95, 22240), (100, 21128), (139, 15200), (152, 13900), (160, 13205), (190, 11120), (200, 10564), (278, 7600), (304, 6950), (380, 5560), (400, 5282), (475, 4448), (556, 3800), (608, 3475), (695, 3040), (760, 2780), (800, 2641), (950, 2224), (1112, 1900), (1390, 1520)]