199070860

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{5107}}^1$

素因数の和:7065

約数の個数: 24

約数和(自身を含む): 418345200

約数和(自身を除く): 219274340

約数列:

[1, 2, 4, 5, 10, 20, 1949, 3898, 5107, 7796, 9745, 10214, 19490, 20428, 25535, 38980, 51070, 102140, 9953543, 19907086, 39814172, 49767715, 99535430, 199070860]

約数ペア:

[(1, 199070860), (2, 99535430), (4, 49767715), (5, 39814172), (10, 19907086), (20, 9953543), (1949, 102140), (3898, 51070), (5107, 38980), (7796, 25535), (9745, 20428), (10214, 19490)]