490312144

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1788

約数の個数: 80

約数和(自身を含む): 1129828480

約数和(自身を除く): 639516336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 61, 86, 112, 122, 172, 244, 301, 344, 427, 488, 602, 688, 854, 976, 1204, 1669, 1708, 2408, 2623, 3338, 3416, 4816, 5246, 6676, 6832, 10492, 11683, 13352, 18361, 20984, 23366, 26704, 36722, 41968, 46732, 71767, 73444, 93464, 101809, 143534, 146888, 186928, 203618, 287068, 293776, 407236, 502369, 574136, 712663, 814472, 1004738, 1148272, 1425326, 1628944, 2009476, 2850652, 4018952, 4377787, 5701304, 8037904, 8755574, 11402608, 17511148, 30644509, 35022296, 61289018, 70044592, 122578036, 245156072, 490312144]

約数ペア:

[(1, 490312144), (2, 245156072), (4, 122578036), (7, 70044592), (8, 61289018), (14, 35022296), (16, 30644509), (28, 17511148), (43, 11402608), (56, 8755574), (61, 8037904), (86, 5701304), (112, 4377787), (122, 4018952), (172, 2850652), (244, 2009476), (301, 1628944), (344, 1425326), (427, 1148272), (488, 1004738), (602, 814472), (688, 712663), (854, 574136), (976, 502369), (1204, 407236), (1669, 293776), (1708, 287068), (2408, 203618), (2623, 186928), (3338, 146888), (3416, 143534), (4816, 101809), (5246, 93464), (6676, 73444), (6832, 71767), (10492, 46732), (11683, 41968), (13352, 36722), (18361, 26704), (20984, 23366)]