2657853220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{280957}}^1$

素因数の和:281020

約数の個数: 48

約数和(自身を含む): 6230524608

約数和(自身を除く): 3572671388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 280957, 561914, 1123828, 1404785, 2809570, 3090527, 5619140, 6181054, 12081151, 12362108, 15452635, 24162302, 30905270, 48324604, 60405755, 61810540, 120811510, 132892661, 241623020, 265785322, 531570644, 664463305, 1328926610, 2657853220]

約数ペア:

[(1, 2657853220), (2, 1328926610), (4, 664463305), (5, 531570644), (10, 265785322), (11, 241623020), (20, 132892661), (22, 120811510), (43, 61810540), (44, 60405755), (55, 48324604), (86, 30905270), (110, 24162302), (172, 15452635), (215, 12362108), (220, 12081151), (430, 6181054), (473, 5619140), (860, 3090527), (946, 2809570), (1892, 1404785), (2365, 1123828), (4730, 561914), (9460, 280957)]