220680488

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{135887}}^1$

素因数の和:135929

約数の個数: 32

約数和(自身を含む): 489196800

約数和(自身を除く): 268516312

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 135887, 271774, 543548, 951209, 1087096, 1902418, 3804836, 3940723, 7609672, 7881446, 15762892, 27585061, 31525784, 55170122, 110340244, 220680488]

約数ペア:

[(1, 220680488), (2, 110340244), (4, 55170122), (7, 31525784), (8, 27585061), (14, 15762892), (28, 7881446), (29, 7609672), (56, 3940723), (58, 3804836), (116, 1902418), (203, 1087096), (232, 951209), (406, 543548), (812, 271774), (1624, 135887)]