129807400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{28219}}^1$

素因数の和:28258

約数の個数: 48

約数和(自身を含む): 314935200

約数和(自身を除く): 185127800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 28219, 56438, 112876, 141095, 225752, 282190, 564380, 649037, 705475, 1128760, 1298074, 1410950, 2596148, 2821900, 3245185, 5192296, 5643800, 6490370, 12980740, 16225925, 25961480, 32451850, 64903700, 129807400]

約数ペア:

[(1, 129807400), (2, 64903700), (4, 32451850), (5, 25961480), (8, 16225925), (10, 12980740), (20, 6490370), (23, 5643800), (25, 5192296), (40, 3245185), (46, 2821900), (50, 2596148), (92, 1410950), (100, 1298074), (115, 1128760), (184, 705475), (200, 649037), (230, 564380), (460, 282190), (575, 225752), (920, 141095), (1150, 112876), (2300, 56438), (4600, 28219)]