2007521290

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1\times {\mathrm{4391}}^1$

素因数の和:4878

約数の個数: 32

約数和(自身を含む): 3652387200

約数和(自身を除く): 1644865910

約数列:

[1, 2, 5, 10, 131, 262, 349, 655, 698, 1310, 1745, 3490, 4391, 8782, 21955, 43910, 45719, 91438, 228595, 457190, 575221, 1150442, 1532459, 2876105, 3064918, 5752210, 7662295, 15324590, 200752129, 401504258, 1003760645, 2007521290]

約数ペア:

[(1, 2007521290), (2, 1003760645), (5, 401504258), (10, 200752129), (131, 15324590), (262, 7662295), (349, 5752210), (655, 3064918), (698, 2876105), (1310, 1532459), (1745, 1150442), (3490, 575221), (4391, 457190), (8782, 228595), (21955, 91438), (43910, 45719)]