397886720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1$

素因数の和:417

約数の個数: 216

約数和(自身を含む): 1200498432

約数和(自身を除く): 802611712

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 154, 160, 176, 220, 224, 242, 256, 280, 308, 320, 352, 367, 385, 440, 448, 484, 560, 605, 616, 640, 704, 734, 770, 847, 880, 896, 968, 1120, 1210, 1232, 1280, 1408, 1468, 1540, 1694, 1760, 1792, 1835, 1936, 2240, 2420, 2464, 2569, 2816, 2936, 3080, 3388, 3520, 3670, 3872, 4037, 4235, 4480, 4840, 4928, 5138, 5872, 6160, 6776, 7040, 7340, 7744, 8074, 8470, 8960, 9680, 9856, 10276, 11744, 12320, 12845, 13552, 14080, 14680, 15488, 16148, 16940, 19360, 19712, 20185, 20552, 23488, 24640, 25690, 27104, 28259, 29360, 30976, 32296, 33880, 38720, 40370, 41104, 44407, 46976, 49280, 51380, 54208, 56518, 58720, 64592, 67760, 77440, 80740, 82208, 88814, 93952, 98560, 102760, 108416, 113036, 117440, 129184, 135520, 141295, 154880, 161480, 164416, 177628, 205520, 216832, 222035, 226072, 234880, 258368, 271040, 282590, 310849, 322960, 328832, 355256, 411040, 444070, 452144, 469760, 516736, 542080, 565180, 621698, 645920, 657664, 710512, 822080, 888140, 904288, 1033472, 1084160, 1130360, 1243396, 1291840, 1421024, 1554245, 1644160, 1776280, 1808576, 2260720, 2486792, 2583680, 2842048, 3108490, 3288320, 3552560, 3617152, 4521440, 4973584, 5167360, 5684096, 6216980, 7105120, 7234304, 9042880, 9947168, 11368192, 12433960, 14210240, 18085760, 19894336, 24867920, 28420480, 36171520, 39788672, 49735840, 56840960, 79577344, 99471680, 198943360, 397886720]

約数ペア:

[(1, 397886720), (2, 198943360), (4, 99471680), (5, 79577344), (7, 56840960), (8, 49735840), (10, 39788672), (11, 36171520), (14, 28420480), (16, 24867920), (20, 19894336), (22, 18085760), (28, 14210240), (32, 12433960), (35, 11368192), (40, 9947168), (44, 9042880), (55, 7234304), (56, 7105120), (64, 6216980), (70, 5684096), (77, 5167360), (80, 4973584), (88, 4521440), (110, 3617152), (112, 3552560), (121, 3288320), (128, 3108490), (140, 2842048), (154, 2583680), (160, 2486792), (176, 2260720), (220, 1808576), (224, 1776280), (242, 1644160), (256, 1554245), (280, 1421024), (308, 1291840), (320, 1243396), (352, 1130360), (367, 1084160), (385, 1033472), (440, 904288), (448, 888140), (484, 822080), (560, 710512), (605, 657664), (616, 645920), (640, 621698), (704, 565180), (734, 542080), (770, 516736), (847, 469760), (880, 452144), (896, 444070), (968, 411040), (1120, 355256), (1210, 328832), (1232, 322960), (1280, 310849), (1408, 282590), (1468, 271040), (1540, 258368), (1694, 234880), (1760, 226072), (1792, 222035), (1835, 216832), (1936, 205520), (2240, 177628), (2420, 164416), (2464, 161480), (2569, 154880), (2816, 141295), (2936, 135520), (3080, 129184), (3388, 117440), (3520, 113036), (3670, 108416), (3872, 102760), (4037, 98560), (4235, 93952), (4480, 88814), (4840, 82208), (4928, 80740), (5138, 77440), (5872, 67760), (6160, 64592), (6776, 58720), (7040, 56518), (7340, 54208), (7744, 51380), (8074, 49280), (8470, 46976), (8960, 44407), (9680, 41104), (9856, 40370), (10276, 38720), (11744, 33880), (12320, 32296), (12845, 30976), (13552, 29360), (14080, 28259), (14680, 27104), (15488, 25690), (16148, 24640), (16940, 23488), (19360, 20552), (19712, 20185)]