256444244

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 538793640

約数和(自身を除く): 282349396

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 89, 98, 122, 178, 196, 241, 244, 356, 427, 482, 623, 854, 964, 1246, 1687, 1708, 2492, 2989, 3374, 4361, 5429, 5978, 6748, 8722, 10858, 11809, 11956, 14701, 17444, 21449, 21716, 23618, 29402, 38003, 42898, 47236, 58804, 76006, 85796, 102907, 150143, 152012, 205814, 266021, 300286, 411628, 532042, 600572, 720349, 1051001, 1064084, 1308389, 1440698, 2102002, 2616778, 2881396, 4204004, 5233556, 9158723, 18317446, 36634892, 64111061, 128222122, 256444244]

約数ペア:

[(1, 256444244), (2, 128222122), (4, 64111061), (7, 36634892), (14, 18317446), (28, 9158723), (49, 5233556), (61, 4204004), (89, 2881396), (98, 2616778), (122, 2102002), (178, 1440698), (196, 1308389), (241, 1064084), (244, 1051001), (356, 720349), (427, 600572), (482, 532042), (623, 411628), (854, 300286), (964, 266021), (1246, 205814), (1687, 152012), (1708, 150143), (2492, 102907), (2989, 85796), (3374, 76006), (4361, 58804), (5429, 47236), (5978, 42898), (6748, 38003), (8722, 29402), (10858, 23618), (11809, 21716), (11956, 21449), (14701, 17444)]