205909830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{108947}}^1$

素因数の和:108970

約数の個数: 64

約数和(自身を含む): 627540480

約数和(自身を除く): 421630650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 108947, 217894, 326841, 544735, 653682, 762629, 980523, 1089470, 1525258, 1634205, 1961046, 2287887, 2941569, 3268410, 3813145, 4575774, 4902615, 5883138, 6863661, 7626290, 9805230, 11439435, 13727322, 14707845, 20590983, 22878870, 29415690, 34318305, 41181966, 68636610, 102954915, 205909830]

約数ペア:

[(1, 205909830), (2, 102954915), (3, 68636610), (5, 41181966), (6, 34318305), (7, 29415690), (9, 22878870), (10, 20590983), (14, 14707845), (15, 13727322), (18, 11439435), (21, 9805230), (27, 7626290), (30, 6863661), (35, 5883138), (42, 4902615), (45, 4575774), (54, 3813145), (63, 3268410), (70, 2941569), (90, 2287887), (105, 1961046), (126, 1634205), (135, 1525258), (189, 1089470), (210, 980523), (270, 762629), (315, 653682), (378, 544735), (630, 326841), (945, 217894), (1890, 108947)]