388630656

素因数分解:

$2^7\times 3^3\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:971

約数の個数: 128

約数和(自身を含む): 1156680000

約数和(自身を除く): 768049344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 139, 144, 192, 216, 278, 288, 384, 417, 432, 556, 576, 809, 834, 864, 1112, 1152, 1251, 1618, 1668, 1728, 2224, 2427, 2502, 3236, 3336, 3456, 3753, 4448, 4854, 5004, 6472, 6672, 7281, 7506, 8896, 9708, 10008, 12944, 13344, 14562, 15012, 17792, 19416, 20016, 21843, 25888, 26688, 29124, 30024, 38832, 40032, 43686, 51776, 53376, 58248, 60048, 77664, 80064, 87372, 103552, 112451, 116496, 120096, 155328, 160128, 174744, 224902, 232992, 240192, 310656, 337353, 349488, 449804, 465984, 480384, 674706, 698976, 899608, 931968, 1012059, 1349412, 1397952, 1799216, 2024118, 2698824, 2795904, 3036177, 3598432, 4048236, 5397648, 6072354, 7196864, 8096472, 10795296, 12144708, 14393728, 16192944, 21590592, 24289416, 32385888, 43181184, 48578832, 64771776, 97157664, 129543552, 194315328, 388630656]

約数ペア:

[(1, 388630656), (2, 194315328), (3, 129543552), (4, 97157664), (6, 64771776), (8, 48578832), (9, 43181184), (12, 32385888), (16, 24289416), (18, 21590592), (24, 16192944), (27, 14393728), (32, 12144708), (36, 10795296), (48, 8096472), (54, 7196864), (64, 6072354), (72, 5397648), (96, 4048236), (108, 3598432), (128, 3036177), (139, 2795904), (144, 2698824), (192, 2024118), (216, 1799216), (278, 1397952), (288, 1349412), (384, 1012059), (417, 931968), (432, 899608), (556, 698976), (576, 674706), (809, 480384), (834, 465984), (864, 449804), (1112, 349488), (1152, 337353), (1251, 310656), (1618, 240192), (1668, 232992), (1728, 224902), (2224, 174744), (2427, 160128), (2502, 155328), (3236, 120096), (3336, 116496), (3456, 112451), (3753, 103552), (4448, 87372), (4854, 80064), (5004, 77664), (6472, 60048), (6672, 58248), (7281, 53376), (7506, 51776), (8896, 43686), (9708, 40032), (10008, 38832), (12944, 30024), (13344, 29124), (14562, 26688), (15012, 25888), (17792, 21843), (19416, 20016)]