86580920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 199800000

約数和(自身を除く): 113219080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 149, 199, 292, 298, 365, 398, 584, 596, 730, 745, 796, 995, 1192, 1460, 1490, 1592, 1990, 2920, 2980, 3980, 5960, 7960, 10877, 14527, 21754, 29054, 29651, 43508, 54385, 58108, 59302, 72635, 87016, 108770, 116216, 118604, 145270, 148255, 217540, 237208, 290540, 296510, 435080, 581080, 593020, 1186040, 2164523, 4329046, 8658092, 10822615, 17316184, 21645230, 43290460, 86580920]

約数ペア:

[(1, 86580920), (2, 43290460), (4, 21645230), (5, 17316184), (8, 10822615), (10, 8658092), (20, 4329046), (40, 2164523), (73, 1186040), (146, 593020), (149, 581080), (199, 435080), (292, 296510), (298, 290540), (365, 237208), (398, 217540), (584, 148255), (596, 145270), (730, 118604), (745, 116216), (796, 108770), (995, 87016), (1192, 72635), (1460, 59302), (1490, 58108), (1592, 54385), (1990, 43508), (2920, 29651), (2980, 29054), (3980, 21754), (5960, 14527), (7960, 10877)]