2005088900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2373

約数の個数: 72

約数和(自身を含む): 4449819360

約数和(自身を除く): 2444730460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 139, 268, 278, 335, 556, 670, 695, 1340, 1390, 1675, 2153, 2780, 3350, 3475, 4306, 6700, 6950, 8612, 9313, 10765, 13900, 18626, 21530, 37252, 43060, 46565, 53825, 93130, 107650, 144251, 186260, 215300, 232825, 288502, 299267, 465650, 577004, 598534, 721255, 931300, 1197068, 1442510, 1496335, 2885020, 2992670, 3606275, 5985340, 7212550, 7481675, 14425100, 14963350, 20050889, 29926700, 40101778, 80203556, 100254445, 200508890, 401017780, 501272225, 1002544450, 2005088900]

約数ペア:

[(1, 2005088900), (2, 1002544450), (4, 501272225), (5, 401017780), (10, 200508890), (20, 100254445), (25, 80203556), (50, 40101778), (67, 29926700), (100, 20050889), (134, 14963350), (139, 14425100), (268, 7481675), (278, 7212550), (335, 5985340), (556, 3606275), (670, 2992670), (695, 2885020), (1340, 1496335), (1390, 1442510), (1675, 1197068), (2153, 931300), (2780, 721255), (3350, 598534), (3475, 577004), (4306, 465650), (6700, 299267), (6950, 288502), (8612, 232825), (9313, 215300), (10765, 186260), (13900, 144251), (18626, 107650), (21530, 93130), (37252, 53825), (43060, 46565)]