2798500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 6355440

約数和(自身を除く): 3556940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 193, 250, 290, 386, 500, 580, 725, 772, 965, 1450, 1930, 2900, 3625, 3860, 4825, 5597, 7250, 9650, 11194, 14500, 19300, 22388, 24125, 27985, 48250, 55970, 96500, 111940, 139925, 279850, 559700, 699625, 1399250, 2798500]

約数ペア:

[(1, 2798500), (2, 1399250), (4, 699625), (5, 559700), (10, 279850), (20, 139925), (25, 111940), (29, 96500), (50, 55970), (58, 48250), (100, 27985), (116, 24125), (125, 22388), (145, 19300), (193, 14500), (250, 11194), (290, 9650), (386, 7250), (500, 5597), (580, 4825), (725, 3860), (772, 3625), (965, 2900), (1450, 1930)]