157628780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{56701}}^1$

素因数の和:56849

約数の個数: 24

約数和(自身を含む): 333407760

約数和(自身を除く): 175778980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 56701, 113402, 226804, 283505, 567010, 1134020, 7881439, 15762878, 31525756, 39407195, 78814390, 157628780]

約数ペア:

[(1, 157628780), (2, 78814390), (4, 39407195), (5, 31525756), (10, 15762878), (20, 7881439), (139, 1134020), (278, 567010), (556, 283505), (695, 226804), (1390, 113402), (2780, 56701)]