57090460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{407789}}^1$

素因数の和:407805

約数の個数: 24

約数和(自身を含む): 137017440

約数和(自身を除く): 79926980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 407789, 815578, 1631156, 2038945, 2854523, 4077890, 5709046, 8155780, 11418092, 14272615, 28545230, 57090460]

約数ペア:

[(1, 57090460), (2, 28545230), (4, 14272615), (5, 11418092), (7, 8155780), (10, 5709046), (14, 4077890), (20, 2854523), (28, 2038945), (35, 1631156), (70, 815578), (140, 407789)]