27938260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199559}}^1$

素因数の和:199575

約数の個数: 24

約数和(自身を含む): 67052160

約数和(自身を除く): 39113900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199559, 399118, 798236, 997795, 1396913, 1995590, 2793826, 3991180, 5587652, 6984565, 13969130, 27938260]

約数ペア:

[(1, 27938260), (2, 13969130), (4, 6984565), (5, 5587652), (7, 3991180), (10, 2793826), (14, 1995590), (20, 1396913), (28, 997795), (35, 798236), (70, 399118), (140, 199559)]