202260820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{937}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 436822848

約数和(自身を除く): 234562028

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 251, 430, 502, 860, 937, 1004, 1255, 1874, 2510, 3748, 4685, 5020, 9370, 10793, 18740, 21586, 40291, 43172, 53965, 80582, 107930, 161164, 201455, 215860, 235187, 402910, 470374, 805820, 940748, 1175935, 2351870, 4703740, 10113041, 20226082, 40452164, 50565205, 101130410, 202260820]

約数ペア:

[(1, 202260820), (2, 101130410), (4, 50565205), (5, 40452164), (10, 20226082), (20, 10113041), (43, 4703740), (86, 2351870), (172, 1175935), (215, 940748), (251, 805820), (430, 470374), (502, 402910), (860, 235187), (937, 215860), (1004, 201455), (1255, 161164), (1874, 107930), (2510, 80582), (3748, 53965), (4685, 43172), (5020, 40291), (9370, 21586), (10793, 18740)]