47990180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{919}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 115610880

約数和(自身を除く): 67620700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 746, 919, 1492, 1838, 1865, 2611, 3676, 3730, 4595, 5222, 6433, 7460, 9190, 10444, 12866, 13055, 18380, 25732, 26110, 32165, 52220, 64330, 128660, 342787, 685574, 1371148, 1713935, 2399509, 3427870, 4799018, 6855740, 9598036, 11997545, 23995090, 47990180]

約数ペア:

[(1, 47990180), (2, 23995090), (4, 11997545), (5, 9598036), (7, 6855740), (10, 4799018), (14, 3427870), (20, 2399509), (28, 1713935), (35, 1371148), (70, 685574), (140, 342787), (373, 128660), (746, 64330), (919, 52220), (1492, 32165), (1838, 26110), (1865, 25732), (2611, 18380), (3676, 13055), (3730, 12866), (4595, 10444), (5222, 9190), (6433, 7460)]