1873689440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{238991}}^1$

素因数の和:239020

約数の個数: 72

約数和(自身を含む): 5149321632

約数和(自身を除く): 3275632192

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, 238991, 477982, 955964, 1194955, 1672937, 1911928, 2389910, 3345874, 3823856, 4779820, 6691748, 7647712, 8364685, 9559640, 11710559, 13383496, 16729370, 19119280, 23421118, 26766992, 33458740, 38238560, 46842236, 53533984, 58552795, 66917480, 93684472, 117105590, 133834960, 187368944, 234211180, 267669920, 374737888, 468422360, 936844720, 1873689440]

約数ペア:

[(1, 1873689440), (2, 936844720), (4, 468422360), (5, 374737888), (7, 267669920), (8, 234211180), (10, 187368944), (14, 133834960), (16, 117105590), (20, 93684472), (28, 66917480), (32, 58552795), (35, 53533984), (40, 46842236), (49, 38238560), (56, 33458740), (70, 26766992), (80, 23421118), (98, 19119280), (112, 16729370), (140, 13383496), (160, 11710559), (196, 9559640), (224, 8364685), (245, 7647712), (280, 6691748), (392, 4779820), (490, 3823856), (560, 3345874), (784, 2389910), (980, 1911928), (1120, 1672937), (1568, 1194955), (1960, 955964), (3920, 477982), (7840, 238991)]