827960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2957}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 2129760

約数和(自身を除く): 1301800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2957, 5914, 11828, 14785, 20699, 23656, 29570, 41398, 59140, 82796, 103495, 118280, 165592, 206990, 413980, 827960]

約数ペア:

[(1, 827960), (2, 413980), (4, 206990), (5, 165592), (7, 118280), (8, 103495), (10, 82796), (14, 59140), (20, 41398), (28, 29570), (35, 23656), (40, 20699), (56, 14785), (70, 11828), (140, 5914), (280, 2957)]