31320310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1621

約数の個数: 48

約数和(自身を含む): 67223520

約数和(自身を除く): 35903210

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 1559, 2009, 2870, 3118, 4018, 7795, 10045, 10913, 15590, 20090, 21826, 54565, 63919, 76391, 109130, 127838, 152782, 319595, 381955, 447433, 639190, 763910, 894866, 2237165, 3132031, 4474330, 6264062, 15660155, 31320310]

約数ペア:

[(1, 31320310), (2, 15660155), (5, 6264062), (7, 4474330), (10, 3132031), (14, 2237165), (35, 894866), (41, 763910), (49, 639190), (70, 447433), (82, 381955), (98, 319595), (205, 152782), (245, 127838), (287, 109130), (410, 76391), (490, 63919), (574, 54565), (1435, 21826), (1559, 20090), (2009, 15590), (2870, 10913), (3118, 10045), (4018, 7795)]