199777750

素因数分解:

$2^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{5749}}^1$

素因数の和:5905

約数の個数: 32

約数和(自身を含む): 376740000

約数和(自身を除く): 176962250

約数列:

[1, 2, 5, 10, 25, 50, 125, 139, 250, 278, 695, 1390, 3475, 5749, 6950, 11498, 17375, 28745, 34750, 57490, 143725, 287450, 718625, 799111, 1437250, 1598222, 3995555, 7991110, 19977775, 39955550, 99888875, 199777750]

約数ペア:

[(1, 199777750), (2, 99888875), (5, 39955550), (10, 19977775), (25, 7991110), (50, 3995555), (125, 1598222), (139, 1437250), (250, 799111), (278, 718625), (695, 287450), (1390, 143725), (3475, 57490), (5749, 34750), (6950, 28745), (11498, 17375)]