219024220

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{5981}}^1$

素因数の和:7821

約数の個数: 24

約数和(自身を含む): 460279008

約数和(自身を除く): 241254788

約数列:

[1, 2, 4, 5, 10, 20, 1831, 3662, 5981, 7324, 9155, 11962, 18310, 23924, 29905, 36620, 59810, 119620, 10951211, 21902422, 43804844, 54756055, 109512110, 219024220]

約数ペア:

[(1, 219024220), (2, 109512110), (4, 54756055), (5, 43804844), (10, 21902422), (20, 10951211), (1831, 119620), (3662, 59810), (5981, 36620), (7324, 29905), (9155, 23924), (11962, 18310)]