398030248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 995328000

約数和(自身を除く): 597297752

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 191, 199, 238, 308, 374, 382, 398, 476, 616, 748, 764, 796, 952, 1309, 1337, 1393, 1496, 1528, 1592, 2101, 2189, 2618, 2674, 2786, 3247, 3383, 4202, 4378, 5236, 5348, 5572, 6494, 6766, 8404, 8756, 10472, 10696, 11144, 12988, 13532, 14707, 15323, 16808, 17512, 22729, 23681, 25976, 27064, 29414, 30646, 35717, 37213, 38009, 45458, 47362, 58828, 61292, 71434, 74426, 76018, 90916, 94724, 117656, 122584, 142868, 148852, 152036, 181832, 189448, 250019, 260491, 266063, 285736, 297704, 304072, 418099, 500038, 520982, 532126, 646153, 836198, 1000076, 1041964, 1064252, 1292306, 1672396, 2000152, 2083928, 2128504, 2584612, 2926693, 3344792, 4523071, 5169224, 5853386, 7107683, 9046142, 11706772, 14215366, 18092284, 23413544, 28430732, 36184568, 49753781, 56861464, 99507562, 199015124, 398030248]

約数ペア:

[(1, 398030248), (2, 199015124), (4, 99507562), (7, 56861464), (8, 49753781), (11, 36184568), (14, 28430732), (17, 23413544), (22, 18092284), (28, 14215366), (34, 11706772), (44, 9046142), (56, 7107683), (68, 5853386), (77, 5169224), (88, 4523071), (119, 3344792), (136, 2926693), (154, 2584612), (187, 2128504), (191, 2083928), (199, 2000152), (238, 1672396), (308, 1292306), (374, 1064252), (382, 1041964), (398, 1000076), (476, 836198), (616, 646153), (748, 532126), (764, 520982), (796, 500038), (952, 418099), (1309, 304072), (1337, 297704), (1393, 285736), (1496, 266063), (1528, 260491), (1592, 250019), (2101, 189448), (2189, 181832), (2618, 152036), (2674, 148852), (2786, 142868), (3247, 122584), (3383, 117656), (4202, 94724), (4378, 90916), (5236, 76018), (5348, 74426), (5572, 71434), (6494, 61292), (6766, 58828), (8404, 47362), (8756, 45458), (10472, 38009), (10696, 37213), (11144, 35717), (12988, 30646), (13532, 29414), (14707, 27064), (15323, 25976), (16808, 23681), (17512, 22729)]