1291347890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1867}}^1$

素因数の和:2163

約数の個数: 64

約数和(自身を含む): 2734034688

約数和(自身を除く): 1442686798

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 241, 287, 410, 482, 574, 1205, 1435, 1687, 1867, 2410, 2870, 3374, 3734, 8435, 9335, 9881, 13069, 16870, 18670, 19762, 26138, 49405, 65345, 69167, 76547, 98810, 130690, 138334, 153094, 345835, 382735, 449947, 535829, 691670, 765470, 899894, 1071658, 2249735, 2679145, 3149629, 4499470, 5358290, 6299258, 15748145, 18447827, 31496290, 36895654, 92239135, 129134789, 184478270, 258269578, 645673945, 1291347890]

約数ペア:

[(1, 1291347890), (2, 645673945), (5, 258269578), (7, 184478270), (10, 129134789), (14, 92239135), (35, 36895654), (41, 31496290), (70, 18447827), (82, 15748145), (205, 6299258), (241, 5358290), (287, 4499470), (410, 3149629), (482, 2679145), (574, 2249735), (1205, 1071658), (1435, 899894), (1687, 765470), (1867, 691670), (2410, 535829), (2870, 449947), (3374, 382735), (3734, 345835), (8435, 153094), (9335, 138334), (9881, 130690), (13069, 98810), (16870, 76547), (18670, 69167), (19762, 65345), (26138, 49405)]