211716640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:590

約数の個数: 96

約数和(自身を含む): 533406384

約数和(自身を除く): 321689744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 277, 281, 340, 544, 554, 562, 680, 1108, 1124, 1360, 1385, 1405, 2216, 2248, 2720, 2770, 2810, 4432, 4496, 4709, 4777, 5540, 5620, 8864, 8992, 9418, 9554, 11080, 11240, 18836, 19108, 22160, 22480, 23545, 23885, 37672, 38216, 44320, 44960, 47090, 47770, 75344, 76432, 77837, 94180, 95540, 150688, 152864, 155674, 188360, 191080, 311348, 376720, 382160, 389185, 622696, 753440, 764320, 778370, 1245392, 1323229, 1556740, 2490784, 2646458, 3113480, 5292916, 6226960, 6616145, 10585832, 12453920, 13232290, 21171664, 26464580, 42343328, 52929160, 105858320, 211716640]

約数ペア:

[(1, 211716640), (2, 105858320), (4, 52929160), (5, 42343328), (8, 26464580), (10, 21171664), (16, 13232290), (17, 12453920), (20, 10585832), (32, 6616145), (34, 6226960), (40, 5292916), (68, 3113480), (80, 2646458), (85, 2490784), (136, 1556740), (160, 1323229), (170, 1245392), (272, 778370), (277, 764320), (281, 753440), (340, 622696), (544, 389185), (554, 382160), (562, 376720), (680, 311348), (1108, 191080), (1124, 188360), (1360, 155674), (1385, 152864), (1405, 150688), (2216, 95540), (2248, 94180), (2720, 77837), (2770, 76432), (2810, 75344), (4432, 47770), (4496, 47090), (4709, 44960), (4777, 44320), (5540, 38216), (5620, 37672), (8864, 23885), (8992, 23545), (9418, 22480), (9554, 22160), (11080, 19108), (11240, 18836)]