399266304

素因数分解:

$2^9\times 3^1\times {\mathrm{19}}^1\times {\mathrm{13681}}^1$

素因数の和:13721

約数の個数: 80

約数和(自身を含む): 1119734880

約数和(自身を除く): 720468576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 512, 608, 768, 912, 1216, 1536, 1824, 2432, 3648, 4864, 7296, 9728, 13681, 14592, 27362, 29184, 41043, 54724, 82086, 109448, 164172, 218896, 259939, 328344, 437792, 519878, 656688, 779817, 875584, 1039756, 1313376, 1559634, 1751168, 2079512, 2626752, 3119268, 3502336, 4159024, 5253504, 6238536, 7004672, 8318048, 10507008, 12477072, 16636096, 21014016, 24954144, 33272192, 49908288, 66544384, 99816576, 133088768, 199633152, 399266304]

約数ペア:

[(1, 399266304), (2, 199633152), (3, 133088768), (4, 99816576), (6, 66544384), (8, 49908288), (12, 33272192), (16, 24954144), (19, 21014016), (24, 16636096), (32, 12477072), (38, 10507008), (48, 8318048), (57, 7004672), (64, 6238536), (76, 5253504), (96, 4159024), (114, 3502336), (128, 3119268), (152, 2626752), (192, 2079512), (228, 1751168), (256, 1559634), (304, 1313376), (384, 1039756), (456, 875584), (512, 779817), (608, 656688), (768, 519878), (912, 437792), (1216, 328344), (1536, 259939), (1824, 218896), (2432, 164172), (3648, 109448), (4864, 82086), (7296, 54724), (9728, 41043), (13681, 29184), (14592, 27362)]