2830515820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181211}}^1$

素因数の和:181302

約数の個数: 48

約数和(自身を含む): 6575821056

約数和(自身を除く): 3745305236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 181211, 362422, 724844, 906055, 1812110, 1993321, 3624220, 3986642, 7973284, 9966605, 12865981, 19933210, 25731962, 39866420, 51463924, 64329905, 128659810, 141525791, 257319620, 283051582, 566103164, 707628955, 1415257910, 2830515820]

約数ペア:

[(1, 2830515820), (2, 1415257910), (4, 707628955), (5, 566103164), (10, 283051582), (11, 257319620), (20, 141525791), (22, 128659810), (44, 64329905), (55, 51463924), (71, 39866420), (110, 25731962), (142, 19933210), (220, 12865981), (284, 9966605), (355, 7973284), (710, 3986642), (781, 3624220), (1420, 1993321), (1562, 1812110), (3124, 906055), (3905, 724844), (7810, 362422), (15620, 181211)]