25478940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 76608000

約数和(自身を除く): 51129060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 37, 46, 60, 69, 74, 92, 111, 115, 138, 148, 185, 222, 230, 276, 345, 370, 444, 460, 499, 555, 690, 740, 851, 998, 1110, 1380, 1497, 1702, 1996, 2220, 2495, 2553, 2994, 3404, 4255, 4990, 5106, 5988, 7485, 8510, 9980, 10212, 11477, 12765, 14970, 17020, 18463, 22954, 25530, 29940, 34431, 36926, 45908, 51060, 55389, 57385, 68862, 73852, 92315, 110778, 114770, 137724, 172155, 184630, 221556, 229540, 276945, 344310, 369260, 424649, 553890, 688620, 849298, 1107780, 1273947, 1698596, 2123245, 2547894, 4246490, 5095788, 6369735, 8492980, 12739470, 25478940]

約数ペア:

[(1, 25478940), (2, 12739470), (3, 8492980), (4, 6369735), (5, 5095788), (6, 4246490), (10, 2547894), (12, 2123245), (15, 1698596), (20, 1273947), (23, 1107780), (30, 849298), (37, 688620), (46, 553890), (60, 424649), (69, 369260), (74, 344310), (92, 276945), (111, 229540), (115, 221556), (138, 184630), (148, 172155), (185, 137724), (222, 114770), (230, 110778), (276, 92315), (345, 73852), (370, 68862), (444, 57385), (460, 55389), (499, 51060), (555, 45908), (690, 36926), (740, 34431), (851, 29940), (998, 25530), (1110, 22954), (1380, 18463), (1497, 17020), (1702, 14970), (1996, 12765), (2220, 11477), (2495, 10212), (2553, 9980), (2994, 8510), (3404, 7485), (4255, 5988), (4990, 5106)]