400085504

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 160

約数和(自身を含む): 1019268096

約数和(自身を除く): 619182592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 256, 277, 364, 403, 416, 434, 448, 496, 512, 554, 728, 806, 832, 868, 896, 992, 1108, 1456, 1612, 1664, 1736, 1792, 1939, 1984, 2216, 2821, 2912, 3224, 3328, 3472, 3584, 3601, 3878, 3968, 4432, 5642, 5824, 6448, 6656, 6944, 7202, 7756, 7936, 8587, 8864, 11284, 11648, 12896, 13888, 14404, 15512, 15872, 17174, 17728, 22568, 23296, 25207, 25792, 27776, 28808, 31024, 34348, 35456, 45136, 46592, 50414, 51584, 55552, 57616, 60109, 62048, 68696, 70912, 90272, 100828, 103168, 111104, 111631, 115232, 120218, 124096, 137392, 141824, 180544, 201656, 206336, 223262, 230464, 240436, 248192, 274784, 361088, 403312, 446524, 460928, 480872, 496384, 549568, 722176, 781417, 806624, 893048, 921856, 961744, 992768, 1099136, 1444352, 1562834, 1613248, 1786096, 1843712, 1923488, 2198272, 3125668, 3226496, 3572192, 3846976, 4396544, 6251336, 6452992, 7144384, 7693952, 12502672, 12905984, 14288768, 15387904, 25005344, 28577536, 30775808, 50010688, 57155072, 100021376, 200042752, 400085504]

約数ペア:

[(1, 400085504), (2, 200042752), (4, 100021376), (7, 57155072), (8, 50010688), (13, 30775808), (14, 28577536), (16, 25005344), (26, 15387904), (28, 14288768), (31, 12905984), (32, 12502672), (52, 7693952), (56, 7144384), (62, 6452992), (64, 6251336), (91, 4396544), (104, 3846976), (112, 3572192), (124, 3226496), (128, 3125668), (182, 2198272), (208, 1923488), (217, 1843712), (224, 1786096), (248, 1613248), (256, 1562834), (277, 1444352), (364, 1099136), (403, 992768), (416, 961744), (434, 921856), (448, 893048), (496, 806624), (512, 781417), (554, 722176), (728, 549568), (806, 496384), (832, 480872), (868, 460928), (896, 446524), (992, 403312), (1108, 361088), (1456, 274784), (1612, 248192), (1664, 240436), (1736, 230464), (1792, 223262), (1939, 206336), (1984, 201656), (2216, 180544), (2821, 141824), (2912, 137392), (3224, 124096), (3328, 120218), (3472, 115232), (3584, 111631), (3601, 111104), (3878, 103168), (3968, 100828), (4432, 90272), (5642, 70912), (5824, 68696), (6448, 62048), (6656, 60109), (6944, 57616), (7202, 55552), (7756, 51584), (7936, 50414), (8587, 46592), (8864, 45136), (11284, 35456), (11648, 34348), (12896, 31024), (13888, 28808), (14404, 27776), (15512, 25792), (15872, 25207), (17174, 23296), (17728, 22568)]