289038848

素因数分解:

$2^9\times 7^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 120

約数和(自身を含む): 690635484

約数和(自身を除く): 401596636

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 82, 98, 112, 128, 164, 196, 224, 256, 281, 287, 328, 392, 448, 512, 562, 574, 656, 784, 896, 1124, 1148, 1312, 1568, 1792, 1967, 2009, 2248, 2296, 2624, 3136, 3584, 3934, 4018, 4496, 4592, 5248, 6272, 7868, 8036, 8992, 9184, 10496, 11521, 12544, 13769, 15736, 16072, 17984, 18368, 20992, 23042, 25088, 27538, 31472, 32144, 35968, 36736, 46084, 55076, 62944, 64288, 71936, 73472, 80647, 92168, 110152, 125888, 128576, 143872, 146944, 161294, 184336, 220304, 251776, 257152, 322588, 368672, 440608, 503552, 514304, 564529, 645176, 737344, 881216, 1007104, 1028608, 1129058, 1290352, 1474688, 1762432, 2258116, 2580704, 2949376, 3524864, 4516232, 5161408, 5898752, 7049728, 9032464, 10322816, 18064928, 20645632, 36129856, 41291264, 72259712, 144519424, 289038848]

約数ペア:

[(1, 289038848), (2, 144519424), (4, 72259712), (7, 41291264), (8, 36129856), (14, 20645632), (16, 18064928), (28, 10322816), (32, 9032464), (41, 7049728), (49, 5898752), (56, 5161408), (64, 4516232), (82, 3524864), (98, 2949376), (112, 2580704), (128, 2258116), (164, 1762432), (196, 1474688), (224, 1290352), (256, 1129058), (281, 1028608), (287, 1007104), (328, 881216), (392, 737344), (448, 645176), (512, 564529), (562, 514304), (574, 503552), (656, 440608), (784, 368672), (896, 322588), (1124, 257152), (1148, 251776), (1312, 220304), (1568, 184336), (1792, 161294), (1967, 146944), (2009, 143872), (2248, 128576), (2296, 125888), (2624, 110152), (3136, 92168), (3584, 80647), (3934, 73472), (4018, 71936), (4496, 64288), (4592, 62944), (5248, 55076), (6272, 46084), (7868, 36736), (8036, 35968), (8992, 32144), (9184, 31472), (10496, 27538), (11521, 25088), (12544, 23042), (13769, 20992), (15736, 18368), (16072, 17984)]