57891820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1609}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 139567680

約数和(自身を除く): 81675860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1609, 1799, 2570, 3218, 3598, 5140, 6436, 7196, 8045, 8995, 11263, 16090, 17990, 22526, 32180, 35980, 45052, 56315, 112630, 225260, 413513, 827026, 1654052, 2067565, 2894591, 4135130, 5789182, 8270260, 11578364, 14472955, 28945910, 57891820]

約数ペア:

[(1, 57891820), (2, 28945910), (4, 14472955), (5, 11578364), (7, 8270260), (10, 5789182), (14, 4135130), (20, 2894591), (28, 2067565), (35, 1654052), (70, 827026), (140, 413513), (257, 225260), (514, 112630), (1028, 56315), (1285, 45052), (1609, 35980), (1799, 32180), (2570, 22526), (3218, 17990), (3598, 16090), (5140, 11263), (6436, 8995), (7196, 8045)]