131897200

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1657}}^1$

素因数の和:1874

約数の個数: 60

約数和(自身を含む): 318667600

約数和(自身を除く): 186770400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 796, 995, 1592, 1657, 1990, 3184, 3314, 3980, 4975, 6628, 7960, 8285, 9950, 13256, 15920, 16570, 19900, 26512, 33140, 39800, 41425, 66280, 79600, 82850, 132560, 165700, 329743, 331400, 659486, 662800, 1318972, 1648715, 2637944, 3297430, 5275888, 6594860, 8243575, 13189720, 16487150, 26379440, 32974300, 65948600, 131897200]

約数ペア:

[(1, 131897200), (2, 65948600), (4, 32974300), (5, 26379440), (8, 16487150), (10, 13189720), (16, 8243575), (20, 6594860), (25, 5275888), (40, 3297430), (50, 2637944), (80, 1648715), (100, 1318972), (199, 662800), (200, 659486), (398, 331400), (400, 329743), (796, 165700), (995, 132560), (1592, 82850), (1657, 79600), (1990, 66280), (3184, 41425), (3314, 39800), (3980, 33140), (4975, 26512), (6628, 19900), (7960, 16570), (8285, 15920), (9950, 13256)]