349701117680

素因数分解:

$2^4\times 5^1\times {\mathrm{4371263971}}^1$

素因数の和:4371263984

約数の個数: 20

約数和(自身を含む): 813055098792

約数和(自身を除く): 463353981112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4371263971, 8742527942, 17485055884, 21856319855, 34970111768, 43712639710, 69940223536, 87425279420, 174850558840, 349701117680]

約数ペア:

[(1, 349701117680), (2, 174850558840), (4, 87425279420), (5, 69940223536), (8, 43712639710), (10, 34970111768), (16, 21856319855), (20, 17485055884), (40, 8742527942), (80, 4371263971)]