389950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:732

約数の個数: 24

約数和(自身を含む): 792360

約数和(自身を除く): 402410

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 709, 1418, 3545, 7090, 7799, 15598, 17725, 35450, 38995, 77990, 194975, 389950]

約数ペア:

[(1, 389950), (2, 194975), (5, 77990), (10, 38995), (11, 35450), (22, 17725), (25, 15598), (50, 7799), (55, 7090), (110, 3545), (275, 1418), (550, 709)]