90199970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1288571}}^1$

素因数の和:1288585

約数の個数: 16

約数和(自身を含む): 185554368

約数和(自身を除く): 95354398

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1288571, 2577142, 6442855, 9019997, 12885710, 18039994, 45099985, 90199970]

約数ペア:

[(1, 90199970), (2, 45099985), (5, 18039994), (7, 12885710), (10, 9019997), (14, 6442855), (35, 2577142), (70, 1288571)]