189717080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{677561}}^1$

素因数の和:677579

約数の個数: 32

約数和(自身を含む): 487844640

約数和(自身を除く): 298127560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 677561, 1355122, 2710244, 3387805, 4742927, 5420488, 6775610, 9485854, 13551220, 18971708, 23714635, 27102440, 37943416, 47429270, 94858540, 189717080]

約数ペア:

[(1, 189717080), (2, 94858540), (4, 47429270), (5, 37943416), (7, 27102440), (8, 23714635), (10, 18971708), (14, 13551220), (20, 9485854), (28, 6775610), (35, 5420488), (40, 4742927), (56, 3387805), (70, 2710244), (140, 1355122), (280, 677561)]