28972780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9227}}^1$

素因数の和:9393

約数の個数: 24

約数和(自身を含む): 61237008

約数和(自身を除く): 32264228

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 9227, 18454, 36908, 46135, 92270, 184540, 1448639, 2897278, 5794556, 7243195, 14486390, 28972780]

約数ペア:

[(1, 28972780), (2, 14486390), (4, 7243195), (5, 5794556), (10, 2897278), (20, 1448639), (157, 184540), (314, 92270), (628, 46135), (785, 36908), (1570, 18454), (3140, 9227)]