8620220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 21020160

約数和(自身を除く): 12399940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 919, 938, 1340, 1838, 1876, 2345, 3676, 4595, 4690, 6433, 9190, 9380, 12866, 18380, 25732, 32165, 61573, 64330, 123146, 128660, 246292, 307865, 431011, 615730, 862022, 1231460, 1724044, 2155055, 4310110, 8620220]

約数ペア:

[(1, 8620220), (2, 4310110), (4, 2155055), (5, 1724044), (7, 1231460), (10, 862022), (14, 615730), (20, 431011), (28, 307865), (35, 246292), (67, 128660), (70, 123146), (134, 64330), (140, 61573), (268, 32165), (335, 25732), (469, 18380), (670, 12866), (919, 9380), (938, 9190), (1340, 6433), (1838, 4690), (1876, 4595), (2345, 3676)]