471591640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 1188956160

約数和(自身を除く): 717364520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 127, 130, 148, 185, 193, 254, 260, 296, 370, 386, 481, 508, 520, 635, 740, 772, 962, 965, 1016, 1270, 1480, 1544, 1651, 1924, 1930, 2405, 2509, 2540, 3302, 3848, 3860, 4699, 4810, 5018, 5080, 6604, 7141, 7720, 8255, 9398, 9620, 10036, 12545, 13208, 14282, 16510, 18796, 19240, 20072, 23495, 24511, 25090, 28564, 33020, 35705, 37592, 46990, 49022, 50180, 57128, 61087, 66040, 71410, 92833, 93980, 98044, 100360, 122174, 122555, 142820, 185666, 187960, 196088, 244348, 245110, 285640, 305435, 318643, 371332, 464165, 488696, 490220, 610870, 637286, 742664, 906907, 928330, 980440, 1221740, 1274572, 1593215, 1813814, 1856660, 2443480, 2549144, 3186430, 3627628, 3713320, 4534535, 6372860, 7255256, 9069070, 11789791, 12745720, 18138140, 23579582, 36276280, 47159164, 58948955, 94318328, 117897910, 235795820, 471591640]

約数ペア:

[(1, 471591640), (2, 235795820), (4, 117897910), (5, 94318328), (8, 58948955), (10, 47159164), (13, 36276280), (20, 23579582), (26, 18138140), (37, 12745720), (40, 11789791), (52, 9069070), (65, 7255256), (74, 6372860), (104, 4534535), (127, 3713320), (130, 3627628), (148, 3186430), (185, 2549144), (193, 2443480), (254, 1856660), (260, 1813814), (296, 1593215), (370, 1274572), (386, 1221740), (481, 980440), (508, 928330), (520, 906907), (635, 742664), (740, 637286), (772, 610870), (962, 490220), (965, 488696), (1016, 464165), (1270, 371332), (1480, 318643), (1544, 305435), (1651, 285640), (1924, 245110), (1930, 244348), (2405, 196088), (2509, 187960), (2540, 185666), (3302, 142820), (3848, 122555), (3860, 122174), (4699, 100360), (4810, 98044), (5018, 93980), (5080, 92833), (6604, 71410), (7141, 66040), (7720, 61087), (8255, 57128), (9398, 50180), (9620, 49022), (10036, 46990), (12545, 37592), (13208, 35705), (14282, 33020), (16510, 28564), (18796, 25090), (19240, 24511), (20072, 23495)]