277598720

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{2213}}^1$

素因数の和:2250

約数の個数: 120

約数和(自身を含む): 774603324

約数和(自身を除く): 497004604

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, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2213, 2240, 2560, 3136, 3584, 3920, 4426, 4480, 6272, 7840, 8852, 8960, 11065, 12544, 15491, 15680, 17704, 17920, 22130, 25088, 30982, 31360, 35408, 44260, 61964, 62720, 70816, 77455, 88520, 108437, 123928, 125440, 141632, 154910, 177040, 216874, 247856, 283264, 309820, 354080, 433748, 495712, 542185, 566528, 619640, 708160, 867496, 991424, 1084370, 1133056, 1239280, 1416320, 1734992, 1982848, 2168740, 2478560, 2832640, 3469984, 3965696, 4337480, 4957120, 5665280, 6939968, 7931392, 8674960, 9914240, 13879936, 17349920, 19828480, 27759872, 34699840, 39656960, 55519744, 69399680, 138799360, 277598720]

約数ペア:

[(1, 277598720), (2, 138799360), (4, 69399680), (5, 55519744), (7, 39656960), (8, 34699840), (10, 27759872), (14, 19828480), (16, 17349920), (20, 13879936), (28, 9914240), (32, 8674960), (35, 7931392), (40, 6939968), (49, 5665280), (56, 4957120), (64, 4337480), (70, 3965696), (80, 3469984), (98, 2832640), (112, 2478560), (128, 2168740), (140, 1982848), (160, 1734992), (196, 1416320), (224, 1239280), (245, 1133056), (256, 1084370), (280, 991424), (320, 867496), (392, 708160), (448, 619640), (490, 566528), (512, 542185), (560, 495712), (640, 433748), (784, 354080), (896, 309820), (980, 283264), (1120, 247856), (1280, 216874), (1568, 177040), (1792, 154910), (1960, 141632), (2213, 125440), (2240, 123928), (2560, 108437), (3136, 88520), (3584, 77455), (3920, 70816), (4426, 62720), (4480, 61964), (6272, 44260), (7840, 35408), (8852, 31360), (8960, 30982), (11065, 25088), (12544, 22130), (15491, 17920), (15680, 17704)]