207919810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{18919}}^1$

素因数の和:19090

約数の個数: 32

約数和(自身を含む): 430467840

約数和(自身を除く): 222548030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 18919, 37838, 94595, 132433, 189190, 264866, 662165, 1324330, 2970283, 5940566, 14851415, 20791981, 29702830, 41583962, 103959905, 207919810]

約数ペア:

[(1, 207919810), (2, 103959905), (5, 41583962), (7, 29702830), (10, 20791981), (14, 14851415), (35, 5940566), (70, 2970283), (157, 1324330), (314, 662165), (785, 264866), (1099, 189190), (1570, 132433), (2198, 94595), (5495, 37838), (10990, 18919)]