197858080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25237}}^1$

素因数の和:25266

約数の個数: 72

約数和(自身を含む): 543777948

約数和(自身を除く): 345919868

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 25237, 50474, 100948, 126185, 176659, 201896, 252370, 353318, 403792, 504740, 706636, 807584, 883295, 1009480, 1236613, 1413272, 1766590, 2018960, 2473226, 2826544, 3533180, 4037920, 4946452, 5653088, 6183065, 7066360, 9892904, 12366130, 14132720, 19785808, 24732260, 28265440, 39571616, 49464520, 98929040, 197858080]

約数ペア:

[(1, 197858080), (2, 98929040), (4, 49464520), (5, 39571616), (7, 28265440), (8, 24732260), (10, 19785808), (14, 14132720), (16, 12366130), (20, 9892904), (28, 7066360), (32, 6183065), (35, 5653088), (40, 4946452), (49, 4037920), (56, 3533180), (70, 2826544), (80, 2473226), (98, 2018960), (112, 1766590), (140, 1413272), (160, 1236613), (196, 1009480), (224, 883295), (245, 807584), (280, 706636), (392, 504740), (490, 403792), (560, 353318), (784, 252370), (980, 201896), (1120, 176659), (1568, 126185), (1960, 100948), (3920, 50474), (7840, 25237)]