244983760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{437471}}^1$

素因数の和:437491

約数の個数: 40

約数和(自身を含む): 650958336

約数和(自身を除く): 405974576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 437471, 874942, 1749884, 2187355, 3062297, 3499768, 4374710, 6124594, 6999536, 8749420, 12249188, 15311485, 17498840, 24498376, 30622970, 34997680, 48996752, 61245940, 122491880, 244983760]

約数ペア:

[(1, 244983760), (2, 122491880), (4, 61245940), (5, 48996752), (7, 34997680), (8, 30622970), (10, 24498376), (14, 17498840), (16, 15311485), (20, 12249188), (28, 8749420), (35, 6999536), (40, 6124594), (56, 4374710), (70, 3499768), (80, 3062297), (112, 2187355), (140, 1749884), (280, 874942), (560, 437471)]