87988460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15329}}^1$

素因数の和:15386

約数の個数: 48

約数和(自身を含む): 216336960

約数和(自身を除く): 128348500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15329, 30658, 61316, 76645, 107303, 153290, 214606, 306580, 429212, 536515, 628489, 1073030, 1256978, 2146060, 2513956, 3142445, 4399423, 6284890, 8798846, 12569780, 17597692, 21997115, 43994230, 87988460]

約数ペア:

[(1, 87988460), (2, 43994230), (4, 21997115), (5, 17597692), (7, 12569780), (10, 8798846), (14, 6284890), (20, 4399423), (28, 3142445), (35, 2513956), (41, 2146060), (70, 1256978), (82, 1073030), (140, 628489), (164, 536515), (205, 429212), (287, 306580), (410, 214606), (574, 153290), (820, 107303), (1148, 76645), (1435, 61316), (2870, 30658), (5740, 15329)]