214100440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{124477}}^1$

素因数の和:124531

約数の個数: 32

約数和(自身を含む): 492932880

約数和(自身を除く): 278832440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 124477, 248954, 497908, 622385, 995816, 1244770, 2489540, 4979080, 5352511, 10705022, 21410044, 26762555, 42820088, 53525110, 107050220, 214100440]

約数ペア:

[(1, 214100440), (2, 107050220), (4, 53525110), (5, 42820088), (8, 26762555), (10, 21410044), (20, 10705022), (40, 5352511), (43, 4979080), (86, 2489540), (172, 1244770), (215, 995816), (344, 622385), (430, 497908), (860, 248954), (1720, 124477)]