210324760

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10709}}^1$

素因数の和:11211

約数の個数: 32

約数和(自身を含む): 474238800

約数和(自身を除く): 263914040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 10709, 19640, 21418, 42836, 53545, 85672, 107090, 214180, 428360, 5258119, 10516238, 21032476, 26290595, 42064952, 52581190, 105162380, 210324760]

約数ペア:

[(1, 210324760), (2, 105162380), (4, 52581190), (5, 42064952), (8, 26290595), (10, 21032476), (20, 10516238), (40, 5258119), (491, 428360), (982, 214180), (1964, 107090), (2455, 85672), (3928, 53545), (4910, 42836), (9820, 21418), (10709, 19640)]