51900380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{953}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 125012160

約数和(自身を除く): 73111780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 953, 1556, 1906, 1945, 2723, 3812, 3890, 4765, 5446, 6671, 7780, 9530, 10892, 13342, 13615, 19060, 26684, 27230, 33355, 54460, 66710, 133420, 370717, 741434, 1482868, 1853585, 2595019, 3707170, 5190038, 7414340, 10380076, 12975095, 25950190, 51900380]

約数ペア:

[(1, 51900380), (2, 25950190), (4, 12975095), (5, 10380076), (7, 7414340), (10, 5190038), (14, 3707170), (20, 2595019), (28, 1853585), (35, 1482868), (70, 741434), (140, 370717), (389, 133420), (778, 66710), (953, 54460), (1556, 33355), (1906, 27230), (1945, 26684), (2723, 19060), (3812, 13615), (3890, 13342), (4765, 10892), (5446, 9530), (6671, 7780)]