239383820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{920707}}^1$

素因数の和:920729

約数の個数: 24

約数和(自身を含む): 541376304

約数和(自身を除く): 301992484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 920707, 1841414, 3682828, 4603535, 9207070, 11969191, 18414140, 23938382, 47876764, 59845955, 119691910, 239383820]

約数ペア:

[(1, 239383820), (2, 119691910), (4, 59845955), (5, 47876764), (10, 23938382), (13, 18414140), (20, 11969191), (26, 9207070), (52, 4603535), (65, 3682828), (130, 1841414), (260, 920707)]