394126720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:532

約数の個数: 128

約数和(自身を含む): 1025418240

約数和(自身を除く): 631291520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 260, 320, 373, 416, 508, 520, 635, 640, 746, 832, 1016, 1040, 1270, 1492, 1651, 1664, 1865, 2032, 2080, 2540, 2984, 3302, 3730, 4064, 4160, 4849, 5080, 5968, 6604, 7460, 8128, 8255, 8320, 9698, 10160, 11936, 13208, 14920, 16256, 16510, 19396, 20320, 23872, 24245, 26416, 29840, 33020, 38792, 40640, 47371, 47744, 48490, 52832, 59680, 66040, 77584, 81280, 94742, 96980, 105664, 119360, 132080, 155168, 189484, 193960, 211328, 236855, 238720, 264160, 310336, 378968, 387920, 473710, 528320, 615823, 620672, 757936, 775840, 947420, 1056640, 1231646, 1515872, 1551680, 1894840, 2463292, 3031744, 3079115, 3103360, 3789680, 4926584, 6063488, 6158230, 7579360, 9853168, 12316460, 15158720, 19706336, 24632920, 30317440, 39412672, 49265840, 78825344, 98531680, 197063360, 394126720]

約数ペア:

[(1, 394126720), (2, 197063360), (4, 98531680), (5, 78825344), (8, 49265840), (10, 39412672), (13, 30317440), (16, 24632920), (20, 19706336), (26, 15158720), (32, 12316460), (40, 9853168), (52, 7579360), (64, 6158230), (65, 6063488), (80, 4926584), (104, 3789680), (127, 3103360), (128, 3079115), (130, 3031744), (160, 2463292), (208, 1894840), (254, 1551680), (260, 1515872), (320, 1231646), (373, 1056640), (416, 947420), (508, 775840), (520, 757936), (635, 620672), (640, 615823), (746, 528320), (832, 473710), (1016, 387920), (1040, 378968), (1270, 310336), (1492, 264160), (1651, 238720), (1664, 236855), (1865, 211328), (2032, 193960), (2080, 189484), (2540, 155168), (2984, 132080), (3302, 119360), (3730, 105664), (4064, 96980), (4160, 94742), (4849, 81280), (5080, 77584), (5968, 66040), (6604, 59680), (7460, 52832), (8128, 48490), (8255, 47744), (8320, 47371), (9698, 40640), (10160, 38792), (11936, 33020), (13208, 29840), (14920, 26416), (16256, 24245), (16510, 23872), (19396, 20320)]