199458140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1424701}}^1$

素因数の和:1424717

約数の個数: 24

約数和(自身を含む): 478699872

約数和(自身を除く): 279241732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1424701, 2849402, 5698804, 7123505, 9972907, 14247010, 19945814, 28494020, 39891628, 49864535, 99729070, 199458140]

約数ペア:

[(1, 199458140), (2, 99729070), (4, 49864535), (5, 39891628), (7, 28494020), (10, 19945814), (14, 14247010), (20, 9972907), (28, 7123505), (35, 5698804), (70, 2849402), (140, 1424701)]