127121200

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1597}}^1$

素因数の和:1814

約数の個数: 60

約数和(自身を含む): 307135600

約数和(自身を除く): 180014400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 796, 995, 1592, 1597, 1990, 3184, 3194, 3980, 4975, 6388, 7960, 7985, 9950, 12776, 15920, 15970, 19900, 25552, 31940, 39800, 39925, 63880, 79600, 79850, 127760, 159700, 317803, 319400, 635606, 638800, 1271212, 1589015, 2542424, 3178030, 5084848, 6356060, 7945075, 12712120, 15890150, 25424240, 31780300, 63560600, 127121200]

約数ペア:

[(1, 127121200), (2, 63560600), (4, 31780300), (5, 25424240), (8, 15890150), (10, 12712120), (16, 7945075), (20, 6356060), (25, 5084848), (40, 3178030), (50, 2542424), (80, 1589015), (100, 1271212), (199, 638800), (200, 635606), (398, 319400), (400, 317803), (796, 159700), (995, 127760), (1592, 79850), (1597, 79600), (1990, 63880), (3184, 39925), (3194, 39800), (3980, 31940), (4975, 25552), (6388, 19900), (7960, 15970), (7985, 15920), (9950, 12776)]