212933780

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{47743}}^1$

素因数の和:47975

約数の個数: 24

約数和(自身を含む): 449175552

約数和(自身を除く): 236241772

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 47743, 95486, 190972, 238715, 477430, 954860, 10646689, 21293378, 42586756, 53233445, 106466890, 212933780]

約数ペア:

[(1, 212933780), (2, 106466890), (4, 53233445), (5, 42586756), (10, 21293378), (20, 10646689), (223, 954860), (446, 477430), (892, 238715), (1115, 190972), (2230, 95486), (4460, 47743)]