380074840

素因数分解:

$2^3\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{4967}}^1$

素因数の和:6891

約数の個数: 32

約数和(自身を含む): 855787680

約数和(自身を除く): 475712840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1913, 3826, 4967, 7652, 9565, 9934, 15304, 19130, 19868, 24835, 38260, 39736, 49670, 76520, 99340, 198680, 9501871, 19003742, 38007484, 47509355, 76014968, 95018710, 190037420, 380074840]

約数ペア:

[(1, 380074840), (2, 190037420), (4, 95018710), (5, 76014968), (8, 47509355), (10, 38007484), (20, 19003742), (40, 9501871), (1913, 198680), (3826, 99340), (4967, 76520), (7652, 49670), (9565, 39736), (9934, 38260), (15304, 24835), (19130, 19868)]