217133080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{68713}}^1$

素因数の和:68803

約数の個数: 32

約数和(自身を含む): 494740800

約数和(自身を除く): 277607720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 68713, 137426, 274852, 343565, 549704, 687130, 1374260, 2748520, 5428327, 10856654, 21713308, 27141635, 43426616, 54283270, 108566540, 217133080]

約数ペア:

[(1, 217133080), (2, 108566540), (4, 54283270), (5, 43426616), (8, 27141635), (10, 21713308), (20, 10856654), (40, 5428327), (79, 2748520), (158, 1374260), (316, 687130), (395, 549704), (632, 343565), (790, 274852), (1580, 137426), (3160, 68713)]