142758140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1019701}}^1$

素因数の和:1019717

約数の個数: 24

約数和(自身を含む): 342619872

約数和(自身を除く): 199861732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1019701, 2039402, 4078804, 5098505, 7137907, 10197010, 14275814, 20394020, 28551628, 35689535, 71379070, 142758140]

約数ペア:

[(1, 142758140), (2, 71379070), (4, 35689535), (5, 28551628), (7, 20394020), (10, 14275814), (14, 10197010), (20, 7137907), (28, 5098505), (35, 4078804), (70, 2039402), (140, 1019701)]