78171400

素因数分解:

$2^3\times 5^2\times {\mathrm{269}}^1\times {\mathrm{1453}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 182549700

約数和(自身を除く): 104378300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 269, 538, 1076, 1345, 1453, 2152, 2690, 2906, 5380, 5812, 6725, 7265, 10760, 11624, 13450, 14530, 26900, 29060, 36325, 53800, 58120, 72650, 145300, 290600, 390857, 781714, 1563428, 1954285, 3126856, 3908570, 7817140, 9771425, 15634280, 19542850, 39085700, 78171400]

約数ペア:

[(1, 78171400), (2, 39085700), (4, 19542850), (5, 15634280), (8, 9771425), (10, 7817140), (20, 3908570), (25, 3126856), (40, 1954285), (50, 1563428), (100, 781714), (200, 390857), (269, 290600), (538, 145300), (1076, 72650), (1345, 58120), (1453, 53800), (2152, 36325), (2690, 29060), (2906, 26900), (5380, 14530), (5812, 13450), (6725, 11624), (7265, 10760)]