250691840

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 144

約数和(自身を含む): 701500800

約数和(自身を除く): 450808960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 571, 640, 686, 784, 896, 980, 1120, 1142, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2284, 2744, 2855, 3136, 3430, 3920, 3997, 4480, 4568, 5488, 5710, 6272, 6860, 7840, 7994, 8960, 9136, 10976, 11420, 12544, 13720, 15680, 15988, 18272, 19985, 21952, 22840, 27440, 27979, 31360, 31976, 36544, 39970, 43904, 45680, 54880, 55958, 62720, 63952, 73088, 79940, 87808, 91360, 109760, 111916, 127904, 139895, 146176, 159880, 182720, 195853, 219520, 223832, 255808, 279790, 319760, 365440, 391706, 439040, 447664, 511616, 559580, 639520, 730880, 783412, 895328, 979265, 1023232, 1119160, 1279040, 1566824, 1790656, 1958530, 2238320, 2558080, 3133648, 3581312, 3917060, 4476640, 5116160, 6267296, 7162624, 7834120, 8953280, 12534592, 15668240, 17906560, 25069184, 31336480, 35813120, 50138368, 62672960, 125345920, 250691840]

約数ペア:

[(1, 250691840), (2, 125345920), (4, 62672960), (5, 50138368), (7, 35813120), (8, 31336480), (10, 25069184), (14, 17906560), (16, 15668240), (20, 12534592), (28, 8953280), (32, 7834120), (35, 7162624), (40, 6267296), (49, 5116160), (56, 4476640), (64, 3917060), (70, 3581312), (80, 3133648), (98, 2558080), (112, 2238320), (128, 1958530), (140, 1790656), (160, 1566824), (196, 1279040), (224, 1119160), (245, 1023232), (256, 979265), (280, 895328), (320, 783412), (343, 730880), (392, 639520), (448, 559580), (490, 511616), (560, 447664), (571, 439040), (640, 391706), (686, 365440), (784, 319760), (896, 279790), (980, 255808), (1120, 223832), (1142, 219520), (1280, 195853), (1372, 182720), (1568, 159880), (1715, 146176), (1792, 139895), (1960, 127904), (2240, 111916), (2284, 109760), (2744, 91360), (2855, 87808), (3136, 79940), (3430, 73088), (3920, 63952), (3997, 62720), (4480, 55958), (4568, 54880), (5488, 45680), (5710, 43904), (6272, 39970), (6860, 36544), (7840, 31976), (7994, 31360), (8960, 27979), (9136, 27440), (10976, 22840), (11420, 21952), (12544, 19985), (13720, 18272), (15680, 15988)]