12378500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1341

約数の個数: 48

約数和(自身を含む): 28479360

約数和(自身を除く): 16100860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1303, 1900, 2375, 2606, 4750, 5212, 6515, 9500, 13030, 24757, 26060, 32575, 49514, 65150, 99028, 123785, 130300, 162875, 247570, 325750, 495140, 618925, 651500, 1237850, 2475700, 3094625, 6189250, 12378500]

約数ペア:

[(1, 12378500), (2, 6189250), (4, 3094625), (5, 2475700), (10, 1237850), (19, 651500), (20, 618925), (25, 495140), (38, 325750), (50, 247570), (76, 162875), (95, 130300), (100, 123785), (125, 99028), (190, 65150), (250, 49514), (380, 32575), (475, 26060), (500, 24757), (950, 13030), (1303, 9500), (1900, 6515), (2375, 5212), (2606, 4750)]