284906240

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2161}}^1$

素因数の和:2285

約数の個数: 72

約数和(自身を含む): 689383968

約数和(自身を除く): 404477728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 515, 640, 824, 1030, 1280, 1648, 2060, 2161, 3296, 4120, 4322, 6592, 8240, 8644, 10805, 13184, 16480, 17288, 21610, 26368, 32960, 34576, 43220, 65920, 69152, 86440, 131840, 138304, 172880, 222583, 276608, 345760, 445166, 553216, 691520, 890332, 1112915, 1383040, 1780664, 2225830, 2766080, 3561328, 4451660, 7122656, 8903320, 14245312, 17806640, 28490624, 35613280, 56981248, 71226560, 142453120, 284906240]

約数ペア:

[(1, 284906240), (2, 142453120), (4, 71226560), (5, 56981248), (8, 35613280), (10, 28490624), (16, 17806640), (20, 14245312), (32, 8903320), (40, 7122656), (64, 4451660), (80, 3561328), (103, 2766080), (128, 2225830), (160, 1780664), (206, 1383040), (256, 1112915), (320, 890332), (412, 691520), (515, 553216), (640, 445166), (824, 345760), (1030, 276608), (1280, 222583), (1648, 172880), (2060, 138304), (2161, 131840), (3296, 86440), (4120, 69152), (4322, 65920), (6592, 43220), (8240, 34576), (8644, 32960), (10805, 26368), (13184, 21610), (16480, 17288)]