290693910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{745369}}^1$

素因数の和:745392

約数の個数: 32

約数和(自身を含む): 751332960

約数和(自身を除く): 460639050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 745369, 1490738, 2236107, 3726845, 4472214, 7453690, 9689797, 11180535, 19379594, 22361070, 29069391, 48448985, 58138782, 96897970, 145346955, 290693910]

約数ペア:

[(1, 290693910), (2, 145346955), (3, 96897970), (5, 58138782), (6, 48448985), (10, 29069391), (13, 22361070), (15, 19379594), (26, 11180535), (30, 9689797), (39, 7453690), (65, 4472214), (78, 3726845), (130, 2236107), (195, 1490738), (390, 745369)]