218877800

素因数分解:

$2^3\times 5^2\times {\mathrm{857}}^1\times {\mathrm{1277}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 509883660

約数和(自身を除く): 291005860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 857, 1277, 1714, 2554, 3428, 4285, 5108, 6385, 6856, 8570, 10216, 12770, 17140, 21425, 25540, 31925, 34280, 42850, 51080, 63850, 85700, 127700, 171400, 255400, 1094389, 2188778, 4377556, 5471945, 8755112, 10943890, 21887780, 27359725, 43775560, 54719450, 109438900, 218877800]

約数ペア:

[(1, 218877800), (2, 109438900), (4, 54719450), (5, 43775560), (8, 27359725), (10, 21887780), (20, 10943890), (25, 8755112), (40, 5471945), (50, 4377556), (100, 2188778), (200, 1094389), (857, 255400), (1277, 171400), (1714, 127700), (2554, 85700), (3428, 63850), (4285, 51080), (5108, 42850), (6385, 34280), (6856, 31925), (8570, 25540), (10216, 21425), (12770, 17140)]