257797120

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{7193}}^1$

素因数の和:7225

約数の個数: 88

約数和(自身を含む): 706853664

約数和(自身を除く): 449056544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 7193, 8960, 14386, 17920, 28772, 35840, 35965, 50351, 57544, 71930, 100702, 115088, 143860, 201404, 230176, 251755, 287720, 402808, 460352, 503510, 575440, 805616, 920704, 1007020, 1150880, 1611232, 1841408, 2014040, 2301760, 3222464, 3682816, 4028080, 4603520, 6444928, 7365632, 8056160, 9207040, 12889856, 16112320, 18414080, 25779712, 32224640, 36828160, 51559424, 64449280, 128898560, 257797120]

約数ペア:

[(1, 257797120), (2, 128898560), (4, 64449280), (5, 51559424), (7, 36828160), (8, 32224640), (10, 25779712), (14, 18414080), (16, 16112320), (20, 12889856), (28, 9207040), (32, 8056160), (35, 7365632), (40, 6444928), (56, 4603520), (64, 4028080), (70, 3682816), (80, 3222464), (112, 2301760), (128, 2014040), (140, 1841408), (160, 1611232), (224, 1150880), (256, 1007020), (280, 920704), (320, 805616), (448, 575440), (512, 503510), (560, 460352), (640, 402808), (896, 287720), (1024, 251755), (1120, 230176), (1280, 201404), (1792, 143860), (2240, 115088), (2560, 100702), (3584, 71930), (4480, 57544), (5120, 50351), (7168, 35965), (7193, 35840), (8960, 28772), (14386, 17920)]