257442640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35363}}^1$

素因数の和:35396

約数の個数: 80

約数和(自身を含む): 736702848

約数和(自身を除く): 479260208

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 35363, 70726, 141452, 176815, 247541, 282904, 353630, 459719, 495082, 565808, 707260, 919438, 990164, 1237705, 1414520, 1838876, 1980328, 2298595, 2475410, 2829040, 3218033, 3677752, 3960656, 4597190, 4950820, 6436066, 7355504, 9194380, 9901640, 12872132, 16090165, 18388760, 19803280, 25744264, 32180330, 36777520, 51488528, 64360660, 128721320, 257442640]

約数ペア:

[(1, 257442640), (2, 128721320), (4, 64360660), (5, 51488528), (7, 36777520), (8, 32180330), (10, 25744264), (13, 19803280), (14, 18388760), (16, 16090165), (20, 12872132), (26, 9901640), (28, 9194380), (35, 7355504), (40, 6436066), (52, 4950820), (56, 4597190), (65, 3960656), (70, 3677752), (80, 3218033), (91, 2829040), (104, 2475410), (112, 2298595), (130, 1980328), (140, 1838876), (182, 1414520), (208, 1237705), (260, 990164), (280, 919438), (364, 707260), (455, 565808), (520, 495082), (560, 459719), (728, 353630), (910, 282904), (1040, 247541), (1456, 176815), (1820, 141452), (3640, 70726), (7280, 35363)]