86139620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3919}}^1$

素因数の和:4092

約数の個数: 48

約数和(自身を含む): 208104960

約数和(自身を除く): 121965340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 3919, 4396, 5495, 7838, 10990, 15676, 19595, 21980, 27433, 39190, 54866, 78380, 109732, 137165, 274330, 548660, 615283, 1230566, 2461132, 3076415, 4306981, 6152830, 8613962, 12305660, 17227924, 21534905, 43069810, 86139620]

約数ペア:

[(1, 86139620), (2, 43069810), (4, 21534905), (5, 17227924), (7, 12305660), (10, 8613962), (14, 6152830), (20, 4306981), (28, 3076415), (35, 2461132), (70, 1230566), (140, 615283), (157, 548660), (314, 274330), (628, 137165), (785, 109732), (1099, 78380), (1570, 54866), (2198, 39190), (3140, 27433), (3919, 21980), (4396, 19595), (5495, 15676), (7838, 10990)]