131211400

素因数分解:

$2^3\times 5^2\times {\mathrm{569}}^1\times {\mathrm{1153}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 305867700

約数和(自身を除く): 174656300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 569, 1138, 1153, 2276, 2306, 2845, 4552, 4612, 5690, 5765, 9224, 11380, 11530, 14225, 22760, 23060, 28450, 28825, 46120, 56900, 57650, 113800, 115300, 230600, 656057, 1312114, 2624228, 3280285, 5248456, 6560570, 13121140, 16401425, 26242280, 32802850, 65605700, 131211400]

約数ペア:

[(1, 131211400), (2, 65605700), (4, 32802850), (5, 26242280), (8, 16401425), (10, 13121140), (20, 6560570), (25, 5248456), (40, 3280285), (50, 2624228), (100, 1312114), (200, 656057), (569, 230600), (1138, 115300), (1153, 113800), (2276, 57650), (2306, 56900), (2845, 46120), (4552, 28825), (4612, 28450), (5690, 23060), (5765, 22760), (9224, 14225), (11380, 11530)]