137769820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97021}}^1$

素因数の和:97101

約数の個数: 24

約数和(自身を含む): 293394528

約数和(自身を除く): 155624708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 97021, 194042, 388084, 485105, 970210, 1940420, 6888491, 13776982, 27553964, 34442455, 68884910, 137769820]

約数ペア:

[(1, 137769820), (2, 68884910), (4, 34442455), (5, 27553964), (10, 13776982), (20, 6888491), (71, 1940420), (142, 970210), (284, 485105), (355, 388084), (710, 194042), (1420, 97021)]