2513890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 4847040

約数和(自身を除く): 2333150

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 131, 190, 202, 262, 505, 655, 1010, 1310, 1919, 2489, 3838, 4978, 9595, 12445, 13231, 19190, 24890, 26462, 66155, 132310, 251389, 502778, 1256945, 2513890]

約数ペア:

[(1, 2513890), (2, 1256945), (5, 502778), (10, 251389), (19, 132310), (38, 66155), (95, 26462), (101, 24890), (131, 19190), (190, 13231), (202, 12445), (262, 9595), (505, 4978), (655, 3838), (1010, 2489), (1310, 1919)]