618870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{421}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 1731888

約数和(自身を除く): 1113018

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 421, 490, 735, 842, 1263, 1470, 2105, 2526, 2947, 4210, 5894, 6315, 8841, 12630, 14735, 17682, 20629, 29470, 41258, 44205, 61887, 88410, 103145, 123774, 206290, 309435, 618870]

約数ペア:

[(1, 618870), (2, 309435), (3, 206290), (5, 123774), (6, 103145), (7, 88410), (10, 61887), (14, 44205), (15, 41258), (21, 29470), (30, 20629), (35, 17682), (42, 14735), (49, 12630), (70, 8841), (98, 6315), (105, 5894), (147, 4210), (210, 2947), (245, 2526), (294, 2105), (421, 1470), (490, 1263), (735, 842)]