873161860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1\times {\mathrm{709}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 1853611200

約数和(自身を除く): 980449340

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 443, 556, 695, 709, 886, 1390, 1418, 1772, 2215, 2780, 2836, 3545, 4430, 7090, 8860, 14180, 61577, 98551, 123154, 197102, 246308, 307885, 314087, 394204, 492755, 615770, 628174, 985510, 1231540, 1256348, 1570435, 1971020, 3140870, 6281740, 43658093, 87316186, 174632372, 218290465, 436580930, 873161860]

約数ペア:

[(1, 873161860), (2, 436580930), (4, 218290465), (5, 174632372), (10, 87316186), (20, 43658093), (139, 6281740), (278, 3140870), (443, 1971020), (556, 1570435), (695, 1256348), (709, 1231540), (886, 985510), (1390, 628174), (1418, 615770), (1772, 492755), (2215, 394204), (2780, 314087), (2836, 307885), (3545, 246308), (4430, 197102), (7090, 123154), (8860, 98551), (14180, 61577)]