156729220

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{5507}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 329422464

約数和(自身を除く): 172693244

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2846, 5507, 5692, 7115, 11014, 14230, 22028, 27535, 28460, 55070, 110140, 7836461, 15672922, 31345844, 39182305, 78364610, 156729220]

約数ペア:

[(1, 156729220), (2, 78364610), (4, 39182305), (5, 31345844), (10, 15672922), (20, 7836461), (1423, 110140), (2846, 55070), (5507, 28460), (5692, 27535), (7115, 22028), (11014, 14230)]