257752880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41843}}^1$

素因数の和:41874

約数の個数: 80

約数和(自身を含む): 747166464

約数和(自身を除く): 489413584

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 41843, 83686, 167372, 209215, 292901, 334744, 418430, 460273, 585802, 669488, 836860, 920546, 1171604, 1464505, 1673720, 1841092, 2301365, 2343208, 2929010, 3221911, 3347440, 3682184, 4602730, 4686416, 5858020, 6443822, 7364368, 9205460, 11716040, 12887644, 16109555, 18410920, 23432080, 25775288, 32219110, 36821840, 51550576, 64438220, 128876440, 257752880]

約数ペア:

[(1, 257752880), (2, 128876440), (4, 64438220), (5, 51550576), (7, 36821840), (8, 32219110), (10, 25775288), (11, 23432080), (14, 18410920), (16, 16109555), (20, 12887644), (22, 11716040), (28, 9205460), (35, 7364368), (40, 6443822), (44, 5858020), (55, 4686416), (56, 4602730), (70, 3682184), (77, 3347440), (80, 3221911), (88, 2929010), (110, 2343208), (112, 2301365), (140, 1841092), (154, 1673720), (176, 1464505), (220, 1171604), (280, 920546), (308, 836860), (385, 669488), (440, 585802), (560, 460273), (616, 418430), (770, 334744), (880, 292901), (1232, 209215), (1540, 167372), (3080, 83686), (6160, 41843)]