257628280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10111}}^1$

素因数の和:10149

約数の個数: 96

約数和(自身を含む): 726243840

約数和(自身を除く): 468615560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 10111, 12740, 20222, 25480, 40444, 50555, 70777, 80888, 101110, 131443, 141554, 202220, 262886, 283108, 353885, 404440, 495439, 525772, 566216, 657215, 707770, 920101, 990878, 1051544, 1314430, 1415540, 1840202, 1981756, 2477195, 2628860, 2831080, 3680404, 3963512, 4600505, 4954390, 5257720, 6440707, 7360808, 9201010, 9908780, 12881414, 18402020, 19817560, 25762828, 32203535, 36804040, 51525656, 64407070, 128814140, 257628280]

約数ペア:

[(1, 257628280), (2, 128814140), (4, 64407070), (5, 51525656), (7, 36804040), (8, 32203535), (10, 25762828), (13, 19817560), (14, 18402020), (20, 12881414), (26, 9908780), (28, 9201010), (35, 7360808), (40, 6440707), (49, 5257720), (52, 4954390), (56, 4600505), (65, 3963512), (70, 3680404), (91, 2831080), (98, 2628860), (104, 2477195), (130, 1981756), (140, 1840202), (182, 1415540), (196, 1314430), (245, 1051544), (260, 990878), (280, 920101), (364, 707770), (392, 657215), (455, 566216), (490, 525772), (520, 495439), (637, 404440), (728, 353885), (910, 283108), (980, 262886), (1274, 202220), (1820, 141554), (1960, 131443), (2548, 101110), (3185, 80888), (3640, 70777), (5096, 50555), (6370, 40444), (10111, 25480), (12740, 20222)]