15677780020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{111984143}}^1$

素因数の和:111984159

約数の個数: 24

約数和(自身を含む): 37626672384

約数和(自身を除く): 21948892364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 111984143, 223968286, 447936572, 559920715, 783889001, 1119841430, 1567778002, 2239682860, 3135556004, 3919445005, 7838890010, 15677780020]

約数ペア:

[(1, 15677780020), (2, 7838890010), (4, 3919445005), (5, 3135556004), (7, 2239682860), (10, 1567778002), (14, 1119841430), (20, 783889001), (28, 559920715), (35, 447936572), (70, 223968286), (140, 111984143)]