208452820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6551}}^1$

素因数の和:6640

約数の個数: 48

約数和(自身を含む): 460107648

約数和(自身を除く): 251654828

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 3182, 6364, 6551, 7955, 13102, 15910, 26204, 31820, 32755, 65510, 131020, 242387, 281693, 484774, 563386, 969548, 1126772, 1211935, 1408465, 2423870, 2816930, 4847740, 5633860, 10422641, 20845282, 41690564, 52113205, 104226410, 208452820]

約数ペア:

[(1, 208452820), (2, 104226410), (4, 52113205), (5, 41690564), (10, 20845282), (20, 10422641), (37, 5633860), (43, 4847740), (74, 2816930), (86, 2423870), (148, 1408465), (172, 1211935), (185, 1126772), (215, 969548), (370, 563386), (430, 484774), (740, 281693), (860, 242387), (1591, 131020), (3182, 65510), (6364, 32755), (6551, 31820), (7955, 26204), (13102, 15910)]