509980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 1097712

約数和(自身を除く): 587732

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 593, 860, 1186, 2372, 2965, 5930, 11860, 25499, 50998, 101996, 127495, 254990, 509980]

約数ペア:

[(1, 509980), (2, 254990), (4, 127495), (5, 101996), (10, 50998), (20, 25499), (43, 11860), (86, 5930), (172, 2965), (215, 2372), (430, 1186), (593, 860)]