207895300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 469414400

約数和(自身を除く): 261519100

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 199, 310, 337, 398, 620, 674, 775, 796, 995, 1348, 1550, 1685, 1990, 3100, 3370, 3980, 4975, 6169, 6740, 8425, 9950, 10447, 12338, 16850, 19900, 20894, 24676, 30845, 33700, 41788, 52235, 61690, 67063, 104470, 123380, 134126, 154225, 208940, 261175, 268252, 308450, 335315, 522350, 616900, 670630, 1044700, 1341260, 1676575, 2078953, 3353150, 4157906, 6706300, 8315812, 10394765, 20789530, 41579060, 51973825, 103947650, 207895300]

約数ペア:

[(1, 207895300), (2, 103947650), (4, 51973825), (5, 41579060), (10, 20789530), (20, 10394765), (25, 8315812), (31, 6706300), (50, 4157906), (62, 3353150), (100, 2078953), (124, 1676575), (155, 1341260), (199, 1044700), (310, 670630), (337, 616900), (398, 522350), (620, 335315), (674, 308450), (775, 268252), (796, 261175), (995, 208940), (1348, 154225), (1550, 134126), (1685, 123380), (1990, 104470), (3100, 67063), (3370, 61690), (3980, 52235), (4975, 41788), (6169, 33700), (6740, 30845), (8425, 24676), (9950, 20894), (10447, 19900), (12338, 16850)]