238822640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{426469}}^1$

素因数の和:426489

約数の個数: 40

約数和(自身を含む): 634587360

約数和(自身を除く): 395764720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 426469, 852938, 1705876, 2132345, 2985283, 3411752, 4264690, 5970566, 6823504, 8529380, 11941132, 14926415, 17058760, 23882264, 29852830, 34117520, 47764528, 59705660, 119411320, 238822640]

約数ペア:

[(1, 238822640), (2, 119411320), (4, 59705660), (5, 47764528), (7, 34117520), (8, 29852830), (10, 23882264), (14, 17058760), (16, 14926415), (20, 11941132), (28, 8529380), (35, 6823504), (40, 5970566), (56, 4264690), (70, 3411752), (80, 2985283), (112, 2132345), (140, 1705876), (280, 852938), (560, 426469)]