398884248

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{71}}^2\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 1260252240

約数和(自身を除く): 861367992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 71, 72, 84, 126, 142, 157, 168, 213, 252, 284, 314, 426, 471, 497, 504, 568, 628, 639, 852, 942, 994, 1099, 1256, 1278, 1413, 1491, 1704, 1884, 1988, 2198, 2556, 2826, 2982, 3297, 3768, 3976, 4396, 4473, 5041, 5112, 5652, 5964, 6594, 8792, 8946, 9891, 10082, 11147, 11304, 11928, 13188, 15123, 17892, 19782, 20164, 22294, 26376, 30246, 33441, 35287, 35784, 39564, 40328, 44588, 45369, 60492, 66882, 70574, 78029, 79128, 89176, 90738, 100323, 105861, 120984, 133764, 141148, 156058, 181476, 200646, 211722, 234087, 267528, 282296, 312116, 317583, 362952, 401292, 423444, 468174, 624232, 635166, 702261, 791437, 802584, 846888, 936348, 1270332, 1404522, 1582874, 1872696, 2374311, 2540664, 2809044, 3165748, 4748622, 5540059, 5618088, 6331496, 7122933, 9497244, 11080118, 14245866, 16620177, 18994488, 22160236, 28491732, 33240354, 44320472, 49860531, 56983464, 66480708, 99721062, 132961416, 199442124, 398884248]

約数ペア:

[(1, 398884248), (2, 199442124), (3, 132961416), (4, 99721062), (6, 66480708), (7, 56983464), (8, 49860531), (9, 44320472), (12, 33240354), (14, 28491732), (18, 22160236), (21, 18994488), (24, 16620177), (28, 14245866), (36, 11080118), (42, 9497244), (56, 7122933), (63, 6331496), (71, 5618088), (72, 5540059), (84, 4748622), (126, 3165748), (142, 2809044), (157, 2540664), (168, 2374311), (213, 1872696), (252, 1582874), (284, 1404522), (314, 1270332), (426, 936348), (471, 846888), (497, 802584), (504, 791437), (568, 702261), (628, 635166), (639, 624232), (852, 468174), (942, 423444), (994, 401292), (1099, 362952), (1256, 317583), (1278, 312116), (1413, 282296), (1491, 267528), (1704, 234087), (1884, 211722), (1988, 200646), (2198, 181476), (2556, 156058), (2826, 141148), (2982, 133764), (3297, 120984), (3768, 105861), (3976, 100323), (4396, 90738), (4473, 89176), (5041, 79128), (5112, 78029), (5652, 70574), (5964, 66882), (6594, 60492), (8792, 45369), (8946, 44588), (9891, 40328), (10082, 39564), (11147, 35784), (11304, 35287), (11928, 33441), (13188, 30246), (15123, 26376), (17892, 22294), (19782, 20164)]