90950020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{649643}}^1$

素因数の和:649659

約数の個数: 24

約数和(自身を含む): 218280384

約数和(自身を除く): 127330364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 649643, 1299286, 2598572, 3248215, 4547501, 6496430, 9095002, 12992860, 18190004, 22737505, 45475010, 90950020]

約数ペア:

[(1, 90950020), (2, 45475010), (4, 22737505), (5, 18190004), (7, 12992860), (10, 9095002), (14, 6496430), (20, 4547501), (28, 3248215), (35, 2598572), (70, 1299286), (140, 649643)]