85274840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304553}}^1$

素因数の和:304571

約数の個数: 32

約数和(自身を含む): 219278880

約数和(自身を除く): 134004040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304553, 609106, 1218212, 1522765, 2131871, 2436424, 3045530, 4263742, 6091060, 8527484, 10659355, 12182120, 17054968, 21318710, 42637420, 85274840]

約数ペア:

[(1, 85274840), (2, 42637420), (4, 21318710), (5, 17054968), (7, 12182120), (8, 10659355), (10, 8527484), (14, 6091060), (20, 4263742), (28, 3045530), (35, 2436424), (40, 2131871), (56, 1522765), (70, 1218212), (140, 609106), (280, 304553)]